Home / 156,777.27-216,358.14-88,796.20

Finding the Fourth Proportional to 156,777.27, 216,358.14 and 88,796.20

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Solution

The fourth proportional to 156,777.27, 216,358.14 and 88,796.20 is: 122,541.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,777.27 : 216,358.14 = 88,796.20 : x
  2. Step 2: Convert to fraction form
    156,777.27/216,358.14 = 88,796.20/x
  3. Step 3: Cross multiply
    156,777.27x = 216,358.14 × 88,796.20
  4. Step 4: Simplify right side
    156,777.27x = 19,211,780,671.07
  5. Step 5: Solve for x
    x = 19,211,780,671.07/156,777.27
  6. Step 6: Final answer
    x = 122,541.88

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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.