Home / 130,385.52-195,369.96-83,599.60

Finding the Fourth Proportional to 130,385.52, 195,369.96 and 83,599.60

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Solution

The fourth proportional to 130,385.52, 195,369.96 and 83,599.60 is: 125,265.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,385.52 : 195,369.96 = 83,599.60 : x
  2. Step 2: Convert to fraction form
    130,385.52/195,369.96 = 83,599.60/x
  3. Step 3: Cross multiply
    130,385.52x = 195,369.96 × 83,599.60
  4. Step 4: Simplify right side
    130,385.52x = 16,332,850,508.02
  5. Step 5: Solve for x
    x = 16,332,850,508.02/130,385.52
  6. Step 6: Final answer
    x = 125,265.83

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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.