Home / 96,010.20-144,015.30-90,469.80

Finding the Fourth Proportional to 96,010.20, 144,015.30 and 90,469.80

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Solution

The fourth proportional to 96,010.20, 144,015.30 and 90,469.80 is: 135,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,010.20 : 144,015.30 = 90,469.80 : x
  2. Step 2: Convert to fraction form
    96,010.20/144,015.30 = 90,469.80/x
  3. Step 3: Cross multiply
    96,010.20x = 144,015.30 × 90,469.80
  4. Step 4: Simplify right side
    96,010.20x = 13,029,035,387.94
  5. Step 5: Solve for x
    x = 13,029,035,387.94/96,010.20
  6. Step 6: Final answer
    x = 135,704.70

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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.