Home / 125,572.28-188,422.50-83,481.03

Finding the Fourth Proportional to 125,572.28, 188,422.50 and 83,481.03

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Solution

The fourth proportional to 125,572.28, 188,422.50 and 83,481.03 is: 125,264.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,572.28 : 188,422.50 = 83,481.03 : x
  2. Step 2: Convert to fraction form
    125,572.28/188,422.50 = 83,481.03/x
  3. Step 3: Cross multiply
    125,572.28x = 188,422.50 × 83,481.03
  4. Step 4: Simplify right side
    125,572.28x = 15,729,704,688.23
  5. Step 5: Solve for x
    x = 15,729,704,688.23/125,572.28
  6. Step 6: Final answer
    x = 125,264.15

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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.