Home / 95,677.20-143,175.60-83,332.80

Finding the Fourth Proportional to 95,677.20, 143,175.60 and 83,332.80

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Solution

The fourth proportional to 95,677.20, 143,175.60 and 83,332.80 is: 124,702.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,677.20 : 143,175.60 = 83,332.80 : x
  2. Step 2: Convert to fraction form
    95,677.20/143,175.60 = 83,332.80/x
  3. Step 3: Cross multiply
    95,677.20x = 143,175.60 × 83,332.80
  4. Step 4: Simplify right side
    95,677.20x = 11,931,223,639.68
  5. Step 5: Solve for x
    x = 11,931,223,639.68/95,677.20
  6. Step 6: Final answer
    x = 124,702.89

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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.