Home / 127,352.46-191,105.25-47,449.20

Finding the Fourth Proportional to 127,352.46, 191,105.25 and 47,449.20

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Solution

The fourth proportional to 127,352.46, 191,105.25 and 47,449.20 is: 71,202.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,352.46 : 191,105.25 = 47,449.20 : x
  2. Step 2: Convert to fraction form
    127,352.46/191,105.25 = 47,449.20/x
  3. Step 3: Cross multiply
    127,352.46x = 191,105.25 × 47,449.20
  4. Step 4: Simplify right side
    127,352.46x = 9,067,791,228.30
  5. Step 5: Solve for x
    x = 9,067,791,228.30/127,352.46
  6. Step 6: Final answer
    x = 71,202.32

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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.