Home / 156,949.86-216,592.17-85,329.93

Finding the Fourth Proportional to 156,949.86, 216,592.17 and 85,329.93

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Solution

The fourth proportional to 156,949.86, 216,592.17 and 85,329.93 is: 117,756.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,949.86 : 216,592.17 = 85,329.93 : x
  2. Step 2: Convert to fraction form
    156,949.86/216,592.17 = 85,329.93/x
  3. Step 3: Cross multiply
    156,949.86x = 216,592.17 × 85,329.93
  4. Step 4: Simplify right side
    156,949.86x = 18,481,794,704.65
  5. Step 5: Solve for x
    x = 18,481,794,704.65/156,949.86
  6. Step 6: Final answer
    x = 117,756.04

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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.