Home / 134,229.92-201,377.64-66,793.60

Finding the Fourth Proportional to 134,229.92, 201,377.64 and 66,793.60

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Solution

The fourth proportional to 134,229.92, 201,377.64 and 66,793.60 is: 100,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,229.92 : 201,377.64 = 66,793.60 : x
  2. Step 2: Convert to fraction form
    134,229.92/201,377.64 = 66,793.60/x
  3. Step 3: Cross multiply
    134,229.92x = 201,377.64 × 66,793.60
  4. Step 4: Simplify right side
    134,229.92x = 13,450,737,535.10
  5. Step 5: Solve for x
    x = 13,450,737,535.10/134,229.92
  6. Step 6: Final answer
    x = 100,206.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.