Home / 125,261.92-187,775.28-42,097.76

Finding the Fourth Proportional to 125,261.92, 187,775.28 and 42,097.76

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Solution

The fourth proportional to 125,261.92, 187,775.28 and 42,097.76 is: 63,107.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,261.92 : 187,775.28 = 42,097.76 : x
  2. Step 2: Convert to fraction form
    125,261.92/187,775.28 = 42,097.76/x
  3. Step 3: Cross multiply
    125,261.92x = 187,775.28 × 42,097.76
  4. Step 4: Simplify right side
    125,261.92x = 7,904,918,671.37
  5. Step 5: Solve for x
    x = 7,904,918,671.37/125,261.92
  6. Step 6: Final answer
    x = 63,107.12

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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.