Home / 123,458.43-185,145.72-34,691.29

Finding the Fourth Proportional to 123,458.43, 185,145.72 and 34,691.29

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Solution

The fourth proportional to 123,458.43, 185,145.72 and 34,691.29 is: 52,025.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,458.43 : 185,145.72 = 34,691.29 : x
  2. Step 2: Convert to fraction form
    123,458.43/185,145.72 = 34,691.29/x
  3. Step 3: Cross multiply
    123,458.43x = 185,145.72 × 34,691.29
  4. Step 4: Simplify right side
    123,458.43x = 6,422,943,966.12
  5. Step 5: Solve for x
    x = 6,422,943,966.12/123,458.43
  6. Step 6: Final answer
    x = 52,025.16

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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.