Home / 156,969.46-216,613.26-88,992.70

Finding the Fourth Proportional to 156,969.46, 216,613.26 and 88,992.70

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Solution

The fourth proportional to 156,969.46, 216,613.26 and 88,992.70 is: 122,807.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,969.46 : 216,613.26 = 88,992.70 : x
  2. Step 2: Convert to fraction form
    156,969.46/216,613.26 = 88,992.70/x
  3. Step 3: Cross multiply
    156,969.46x = 216,613.26 × 88,992.70
  4. Step 4: Simplify right side
    156,969.46x = 19,276,998,863.20
  5. Step 5: Solve for x
    x = 19,276,998,863.20/156,969.46
  6. Step 6: Final answer
    x = 122,807.32

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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.