Home / 125,640.29-188,488.22-41,397.05

Finding the Fourth Proportional to 125,640.29, 188,488.22 and 41,397.05

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Solution

The fourth proportional to 125,640.29, 188,488.22 and 41,397.05 is: 62,104.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,640.29 : 188,488.22 = 41,397.05 : x
  2. Step 2: Convert to fraction form
    125,640.29/188,488.22 = 41,397.05/x
  3. Step 3: Cross multiply
    125,640.29x = 188,488.22 × 41,397.05
  4. Step 4: Simplify right side
    125,640.29x = 7,802,855,325.31
  5. Step 5: Solve for x
    x = 7,802,855,325.31/125,640.29
  6. Step 6: Final answer
    x = 62,104.72

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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.