Home / 156,757.98-216,360.09-96,380.31

Finding the Fourth Proportional to 156,757.98, 216,360.09 and 96,380.31

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Solution

The fourth proportional to 156,757.98, 216,360.09 and 96,380.31 is: 133,025.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,757.98 : 216,360.09 = 96,380.31 : x
  2. Step 2: Convert to fraction form
    156,757.98/216,360.09 = 96,380.31/x
  3. Step 3: Cross multiply
    156,757.98x = 216,360.09 × 96,380.31
  4. Step 4: Simplify right side
    156,757.98x = 20,852,852,545.83
  5. Step 5: Solve for x
    x = 20,852,852,545.83/156,757.98
  6. Step 6: Final answer
    x = 133,025.78

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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.