Home / 128,177.22-192,265.85-83,841.27

Finding the Fourth Proportional to 128,177.22, 192,265.85 and 83,841.27

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Solution

The fourth proportional to 128,177.22, 192,265.85 and 83,841.27 is: 125,761.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,177.22 : 192,265.85 = 83,841.27 : x
  2. Step 2: Convert to fraction form
    128,177.22/192,265.85 = 83,841.27/x
  3. Step 3: Cross multiply
    128,177.22x = 192,265.85 × 83,841.27
  4. Step 4: Simplify right side
    128,177.22x = 16,119,813,041.63
  5. Step 5: Solve for x
    x = 16,119,813,041.63/128,177.22
  6. Step 6: Final answer
    x = 125,761.92

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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.