Home / 111,229.53-153,499.23-63,481.92

Finding the Fourth Proportional to 111,229.53, 153,499.23 and 63,481.92

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Solution

The fourth proportional to 111,229.53, 153,499.23 and 63,481.92 is: 87,606.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,229.53 : 153,499.23 = 63,481.92 : x
  2. Step 2: Convert to fraction form
    111,229.53/153,499.23 = 63,481.92/x
  3. Step 3: Cross multiply
    111,229.53x = 153,499.23 × 63,481.92
  4. Step 4: Simplify right side
    111,229.53x = 9,744,425,838.92
  5. Step 5: Solve for x
    x = 9,744,425,838.92/111,229.53
  6. Step 6: Final answer
    x = 87,606.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.