Home / 125,543.33-173,288.19-74,564.36

Finding the Fourth Proportional to 125,543.33, 173,288.19 and 74,564.36

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Solution

The fourth proportional to 125,543.33, 173,288.19 and 74,564.36 is: 102,921.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,543.33 : 173,288.19 = 74,564.36 : x
  2. Step 2: Convert to fraction form
    125,543.33/173,288.19 = 74,564.36/x
  3. Step 3: Cross multiply
    125,543.33x = 173,288.19 × 74,564.36
  4. Step 4: Simplify right side
    125,543.33x = 12,921,123,045.91
  5. Step 5: Solve for x
    x = 12,921,123,045.91/125,543.33
  6. Step 6: Final answer
    x = 102,921.62

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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.