Home / 239,899.86-331,061.76-132,470.10

Finding the Fourth Proportional to 239,899.86, 331,061.76 and 132,470.10

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Solution

The fourth proportional to 239,899.86, 331,061.76 and 132,470.10 is: 182,808.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,899.86 : 331,061.76 = 132,470.10 : x
  2. Step 2: Convert to fraction form
    239,899.86/331,061.76 = 132,470.10/x
  3. Step 3: Cross multiply
    239,899.86x = 331,061.76 × 132,470.10
  4. Step 4: Simplify right side
    239,899.86x = 43,855,784,453.38
  5. Step 5: Solve for x
    x = 43,855,784,453.38/239,899.86
  6. Step 6: Final answer
    x = 182,808.71

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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.