Home / 144,121.50-198,830.46-96,299.10

Finding the Fourth Proportional to 144,121.50, 198,830.46 and 96,299.10

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Solution

The fourth proportional to 144,121.50, 198,830.46 and 96,299.10 is: 132,854.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,121.50 : 198,830.46 = 96,299.10 : x
  2. Step 2: Convert to fraction form
    144,121.50/198,830.46 = 96,299.10/x
  3. Step 3: Cross multiply
    144,121.50x = 198,830.46 × 96,299.10
  4. Step 4: Simplify right side
    144,121.50x = 19,147,194,350.59
  5. Step 5: Solve for x
    x = 19,147,194,350.59/144,121.50
  6. Step 6: Final answer
    x = 132,854.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.