Home / 125,638.15-188,475.89-41,382.76

Finding the Fourth Proportional to 125,638.15, 188,475.89 and 41,382.76

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Solution

The fourth proportional to 125,638.15, 188,475.89 and 41,382.76 is: 62,080.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,638.15 : 188,475.89 = 41,382.76 : x
  2. Step 2: Convert to fraction form
    125,638.15/188,475.89 = 41,382.76/x
  3. Step 3: Cross multiply
    125,638.15x = 188,475.89 × 41,382.76
  4. Step 4: Simplify right side
    125,638.15x = 7,799,651,843.55
  5. Step 5: Solve for x
    x = 7,799,651,843.55/125,638.15
  6. Step 6: Final answer
    x = 62,080.28

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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.