Home / 125,180.28-187,770.54-31,686.03

Finding the Fourth Proportional to 125,180.28, 187,770.54 and 31,686.03

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Solution

The fourth proportional to 125,180.28, 187,770.54 and 31,686.03 is: 47,529.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,180.28 : 187,770.54 = 31,686.03 : x
  2. Step 2: Convert to fraction form
    125,180.28/187,770.54 = 31,686.03/x
  3. Step 3: Cross multiply
    125,180.28x = 187,770.54 × 31,686.03
  4. Step 4: Simplify right side
    125,180.28x = 5,949,702,963.56
  5. Step 5: Solve for x
    x = 5,949,702,963.56/125,180.28
  6. Step 6: Final answer
    x = 47,529.08

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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.