Home / 156,775.27-216,355.38-88,794.20

Finding the Fourth Proportional to 156,775.27, 216,355.38 and 88,794.20

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Solution

The fourth proportional to 156,775.27, 216,355.38 and 88,794.20 is: 122,539.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,775.27 : 216,355.38 = 88,794.20 : x
  2. Step 2: Convert to fraction form
    156,775.27/216,355.38 = 88,794.20/x
  3. Step 3: Cross multiply
    156,775.27x = 216,355.38 × 88,794.20
  4. Step 4: Simplify right side
    156,775.27x = 19,211,102,882.80
  5. Step 5: Solve for x
    x = 19,211,102,882.80/156,775.27
  6. Step 6: Final answer
    x = 122,539.12

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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.