Home / 140,584.40-210,876.60-88,053.20

Finding the Fourth Proportional to 140,584.40, 210,876.60 and 88,053.20

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Solution

The fourth proportional to 140,584.40, 210,876.60 and 88,053.20 is: 132,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,584.40 : 210,876.60 = 88,053.20 : x
  2. Step 2: Convert to fraction form
    140,584.40/210,876.60 = 88,053.20/x
  3. Step 3: Cross multiply
    140,584.40x = 210,876.60 × 88,053.20
  4. Step 4: Simplify right side
    140,584.40x = 18,568,359,435.12
  5. Step 5: Solve for x
    x = 18,568,359,435.12/140,584.40
  6. Step 6: Final answer
    x = 132,079.80

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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.