Home / 243,486.44-336,044.67-140,118.51

Finding the Fourth Proportional to 243,486.44, 336,044.67 and 140,118.51

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Solution

The fourth proportional to 243,486.44, 336,044.67 and 140,118.51 is: 193,382.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,486.44 : 336,044.67 = 140,118.51 : x
  2. Step 2: Convert to fraction form
    243,486.44/336,044.67 = 140,118.51/x
  3. Step 3: Cross multiply
    243,486.44x = 336,044.67 × 140,118.51
  4. Step 4: Simplify right side
    243,486.44x = 47,086,079,188.56
  5. Step 5: Solve for x
    x = 47,086,079,188.56/243,486.44
  6. Step 6: Final answer
    x = 193,382.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.