Home / 156,938.05-216,591.45-88,947.73

Finding the Fourth Proportional to 156,938.05, 216,591.45 and 88,947.73

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Solution

The fourth proportional to 156,938.05, 216,591.45 and 88,947.73 is: 122,757.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,938.05 : 216,591.45 = 88,947.73 : x
  2. Step 2: Convert to fraction form
    156,938.05/216,591.45 = 88,947.73/x
  3. Step 3: Cross multiply
    156,938.05x = 216,591.45 × 88,947.73
  4. Step 4: Simplify right side
    156,938.05x = 19,265,317,814.91
  5. Step 5: Solve for x
    x = 19,265,317,814.91/156,938.05
  6. Step 6: Final answer
    x = 122,757.47

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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.