Home / 156,239.71-215,624.05-88,269.14

Finding the Fourth Proportional to 156,239.71, 215,624.05 and 88,269.14

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Solution

The fourth proportional to 156,239.71, 215,624.05 and 88,269.14 is: 121,818.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,239.71 : 215,624.05 = 88,269.14 : x
  2. Step 2: Convert to fraction form
    156,239.71/215,624.05 = 88,269.14/x
  3. Step 3: Cross multiply
    156,239.71x = 215,624.05 × 88,269.14
  4. Step 4: Simplify right side
    156,239.71x = 19,032,949,775.20
  5. Step 5: Solve for x
    x = 19,032,949,775.20/156,239.71
  6. Step 6: Final answer
    x = 121,818.90

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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.