Home / 385,319.60-531,757.32-238,177.16

Finding the Fourth Proportional to 385,319.60, 531,757.32 and 238,177.16

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Solution

The fourth proportional to 385,319.60, 531,757.32 and 238,177.16 is: 328,694.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,319.60 : 531,757.32 = 238,177.16 : x
  2. Step 2: Convert to fraction form
    385,319.60/531,757.32 = 238,177.16/x
  3. Step 3: Cross multiply
    385,319.60x = 531,757.32 × 238,177.16
  4. Step 4: Simplify right side
    385,319.60x = 126,652,448,286.81
  5. Step 5: Solve for x
    x = 126,652,448,286.81/385,319.60
  6. Step 6: Final answer
    x = 328,694.54

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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.