Home / 174,000.30-261,000.45-139,008.30

Finding the Fourth Proportional to 174,000.30, 261,000.45 and 139,008.30

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Solution

The fourth proportional to 174,000.30, 261,000.45 and 139,008.30 is: 208,512.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,000.30 : 261,000.45 = 139,008.30 : x
  2. Step 2: Convert to fraction form
    174,000.30/261,000.45 = 139,008.30/x
  3. Step 3: Cross multiply
    174,000.30x = 261,000.45 × 139,008.30
  4. Step 4: Simplify right side
    174,000.30x = 36,281,228,853.74
  5. Step 5: Solve for x
    x = 36,281,228,853.74/174,000.30
  6. Step 6: Final answer
    x = 208,512.45

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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.