Home / 156,700.46-216,424.68-105,625.10

Finding the Fourth Proportional to 156,700.46, 216,424.68 and 105,625.10

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Solution

The fourth proportional to 156,700.46, 216,424.68 and 105,625.10 is: 145,882.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,700.46 : 216,424.68 = 105,625.10 : x
  2. Step 2: Convert to fraction form
    156,700.46/216,424.68 = 105,625.10/x
  3. Step 3: Cross multiply
    156,700.46x = 216,424.68 × 105,625.10
  4. Step 4: Simplify right side
    156,700.46x = 22,859,878,467.47
  5. Step 5: Solve for x
    x = 22,859,878,467.47/156,700.46
  6. Step 6: Final answer
    x = 145,882.65

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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.