Home / 187,029,009.65-280,543,514.48-174,274,425.65

Finding the Fourth Proportional to 187,029,009.65, 280,543,514.48 and 174,274,425.65

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Solution

The fourth proportional to 187,029,009.65, 280,543,514.48 and 174,274,425.65 is: 261,411,638.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,029,009.65 : 280,543,514.48 = 174,274,425.65 : x
  2. Step 2: Convert to fraction form
    187,029,009.65/280,543,514.48 = 174,274,425.65/x
  3. Step 3: Cross multiply
    187,029,009.65x = 280,543,514.48 × 174,274,425.65
  4. Step 4: Simplify right side
    187,029,009.65x = 48,891,559,855,834,464
  5. Step 5: Solve for x
    x = 48,891,559,855,834,464/187,029,009.65
  6. Step 6: Final answer
    x = 261,411,638.48

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.