Home / 96,123.20-143,844.60-83,778.80

Finding the Fourth Proportional to 96,123.20, 143,844.60 and 83,778.80

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Solution

The fourth proportional to 96,123.20, 143,844.60 and 83,778.80 is: 125,371.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,123.20 : 143,844.60 = 83,778.80 : x
  2. Step 2: Convert to fraction form
    96,123.20/143,844.60 = 83,778.80/x
  3. Step 3: Cross multiply
    96,123.20x = 143,844.60 × 83,778.80
  4. Step 4: Simplify right side
    96,123.20x = 12,051,127,974.48
  5. Step 5: Solve for x
    x = 12,051,127,974.48/96,123.20
  6. Step 6: Final answer
    x = 125,371.69

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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.