Home / 178,345.71-267,515.85-43,410.78

Finding the Fourth Proportional to 178,345.71, 267,515.85 and 43,410.78

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Solution

The fourth proportional to 178,345.71, 267,515.85 and 43,410.78 is: 65,115.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,345.71 : 267,515.85 = 43,410.78 : x
  2. Step 2: Convert to fraction form
    178,345.71/267,515.85 = 43,410.78/x
  3. Step 3: Cross multiply
    178,345.71x = 267,515.85 × 43,410.78
  4. Step 4: Simplify right side
    178,345.71x = 11,613,071,710.86
  5. Step 5: Solve for x
    x = 11,613,071,710.86/178,345.71
  6. Step 6: Final answer
    x = 65,115.51

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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.