Home / 111,177.20-166,765.80-104,265.20

Finding the Fourth Proportional to 111,177.20, 166,765.80 and 104,265.20

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Solution

The fourth proportional to 111,177.20, 166,765.80 and 104,265.20 is: 156,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,177.20 : 166,765.80 = 104,265.20 : x
  2. Step 2: Convert to fraction form
    111,177.20/166,765.80 = 104,265.20/x
  3. Step 3: Cross multiply
    111,177.20x = 166,765.80 × 104,265.20
  4. Step 4: Simplify right side
    111,177.20x = 17,387,869,490.16
  5. Step 5: Solve for x
    x = 17,387,869,490.16/111,177.20
  6. Step 6: Final answer
    x = 156,397.80

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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.