Home / 113,530.76-156,677.29-63,229.76

Finding the Fourth Proportional to 113,530.76, 156,677.29 and 63,229.76

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Solution

The fourth proportional to 113,530.76, 156,677.29 and 63,229.76 is: 87,259.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,530.76 : 156,677.29 = 63,229.76 : x
  2. Step 2: Convert to fraction form
    113,530.76/156,677.29 = 63,229.76/x
  3. Step 3: Cross multiply
    113,530.76x = 156,677.29 × 63,229.76
  4. Step 4: Simplify right side
    113,530.76x = 9,906,667,444.15
  5. Step 5: Solve for x
    x = 9,906,667,444.15/113,530.76
  6. Step 6: Final answer
    x = 87,259.77

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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.