Home / 125,236.08-172,874.52-74,951.28

Finding the Fourth Proportional to 125,236.08, 172,874.52 and 74,951.28

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Solution

The fourth proportional to 125,236.08, 172,874.52 and 74,951.28 is: 103,461.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,236.08 : 172,874.52 = 74,951.28 : x
  2. Step 2: Convert to fraction form
    125,236.08/172,874.52 = 74,951.28/x
  3. Step 3: Cross multiply
    125,236.08x = 172,874.52 × 74,951.28
  4. Step 4: Simplify right side
    125,236.08x = 12,957,166,553.39
  5. Step 5: Solve for x
    x = 12,957,166,553.39/125,236.08
  6. Step 6: Final answer
    x = 103,461.93

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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.