Home / 156,932.44-216,566.23-85,311.96

Finding the Fourth Proportional to 156,932.44, 216,566.23 and 85,311.96

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Solution

The fourth proportional to 156,932.44, 216,566.23 and 85,311.96 is: 117,730.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,932.44 : 216,566.23 = 85,311.96 : x
  2. Step 2: Convert to fraction form
    156,932.44/216,566.23 = 85,311.96/x
  3. Step 3: Cross multiply
    156,932.44x = 216,566.23 × 85,311.96
  4. Step 4: Simplify right side
    156,932.44x = 18,475,689,534.70
  5. Step 5: Solve for x
    x = 18,475,689,534.70/156,932.44
  6. Step 6: Final answer
    x = 117,730.21

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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.