Home / 113,530.68-156,679.50-63,229.56

Finding the Fourth Proportional to 113,530.68, 156,679.50 and 63,229.56

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Solution

The fourth proportional to 113,530.68, 156,679.50 and 63,229.56 is: 87,260.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,530.68 : 156,679.50 = 63,229.56 : x
  2. Step 2: Convert to fraction form
    113,530.68/156,679.50 = 63,229.56/x
  3. Step 3: Cross multiply
    113,530.68x = 156,679.50 × 63,229.56
  4. Step 4: Simplify right side
    113,530.68x = 9,906,775,846.02
  5. Step 5: Solve for x
    x = 9,906,775,846.02/113,530.68
  6. Step 6: Final answer
    x = 87,260.78

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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.