Home / 147,359.45-221,082.30-47,517.62

Finding the Fourth Proportional to 147,359.45, 221,082.30 and 47,517.62

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Solution

The fourth proportional to 147,359.45, 221,082.30 and 47,517.62 is: 71,290.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,359.45 : 221,082.30 = 47,517.62 : x
  2. Step 2: Convert to fraction form
    147,359.45/221,082.30 = 47,517.62/x
  3. Step 3: Cross multiply
    147,359.45x = 221,082.30 × 47,517.62
  4. Step 4: Simplify right side
    147,359.45x = 10,505,304,720.13
  5. Step 5: Solve for x
    x = 10,505,304,720.13/147,359.45
  6. Step 6: Final answer
    x = 71,290.34

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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.