Home / 127,860.20-191,863.20-88,445.60

Finding the Fourth Proportional to 127,860.20, 191,863.20 and 88,445.60

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Solution

The fourth proportional to 127,860.20, 191,863.20 and 88,445.60 is: 132,718.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,860.20 : 191,863.20 = 88,445.60 : x
  2. Step 2: Convert to fraction form
    127,860.20/191,863.20 = 88,445.60/x
  3. Step 3: Cross multiply
    127,860.20x = 191,863.20 × 88,445.60
  4. Step 4: Simplify right side
    127,860.20x = 16,969,455,841.92
  5. Step 5: Solve for x
    x = 16,969,455,841.92/127,860.20
  6. Step 6: Final answer
    x = 132,718.83

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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.