Home / 132,070.14-198,103.05-53,182.38

Finding the Fourth Proportional to 132,070.14, 198,103.05 and 53,182.38

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Solution

The fourth proportional to 132,070.14, 198,103.05 and 53,182.38 is: 79,772.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,070.14 : 198,103.05 = 53,182.38 : x
  2. Step 2: Convert to fraction form
    132,070.14/198,103.05 = 53,182.38/x
  3. Step 3: Cross multiply
    132,070.14x = 198,103.05 × 53,182.38
  4. Step 4: Simplify right side
    132,070.14x = 10,535,591,684.26
  5. Step 5: Solve for x
    x = 10,535,591,684.26/132,070.14
  6. Step 6: Final answer
    x = 79,772.70

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1.5x scale

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.