Home / 125,540.13-188,315.89-35,589.28

Finding the Fourth Proportional to 125,540.13, 188,315.89 and 35,589.28

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Solution

The fourth proportional to 125,540.13, 188,315.89 and 35,589.28 is: 53,385.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,540.13 : 188,315.89 = 35,589.28 : x
  2. Step 2: Convert to fraction form
    125,540.13/188,315.89 = 35,589.28/x
  3. Step 3: Cross multiply
    125,540.13x = 188,315.89 × 35,589.28
  4. Step 4: Simplify right side
    125,540.13x = 6,702,026,377.90
  5. Step 5: Solve for x
    x = 6,702,026,377.90/125,540.13
  6. Step 6: Final answer
    x = 53,385.53

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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.