Home / 156,785.27-216,369.18-88,804.20

Finding the Fourth Proportional to 156,785.27, 216,369.18 and 88,804.20

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Solution

The fourth proportional to 156,785.27, 216,369.18 and 88,804.20 is: 122,552.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,785.27 : 216,369.18 = 88,804.20 : x
  2. Step 2: Convert to fraction form
    156,785.27/216,369.18 = 88,804.20/x
  3. Step 3: Cross multiply
    156,785.27x = 216,369.18 × 88,804.20
  4. Step 4: Simplify right side
    156,785.27x = 19,214,491,934.56
  5. Step 5: Solve for x
    x = 19,214,491,934.56/156,785.27
  6. Step 6: Final answer
    x = 122,552.92

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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.