Home / 125,519.25-188,302.12-75,006.41

Finding the Fourth Proportional to 125,519.25, 188,302.12 and 75,006.41

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Solution

The fourth proportional to 125,519.25, 188,302.12 and 75,006.41 is: 112,523.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,519.25 : 188,302.12 = 75,006.41 : x
  2. Step 2: Convert to fraction form
    125,519.25/188,302.12 = 75,006.41/x
  3. Step 3: Cross multiply
    125,519.25x = 188,302.12 × 75,006.41
  4. Step 4: Simplify right side
    125,519.25x = 14,123,864,887.56
  5. Step 5: Solve for x
    x = 14,123,864,887.56/125,519.25
  6. Step 6: Final answer
    x = 112,523.49

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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.