Home / 156,974.20-235,456.02-68,227.69

Finding the Fourth Proportional to 156,974.20, 235,456.02 and 68,227.69

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Solution

The fourth proportional to 156,974.20, 235,456.02 and 68,227.69 is: 102,339.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,974.20 : 235,456.02 = 68,227.69 : x
  2. Step 2: Convert to fraction form
    156,974.20/235,456.02 = 68,227.69/x
  3. Step 3: Cross multiply
    156,974.20x = 235,456.02 × 68,227.69
  4. Step 4: Simplify right side
    156,974.20x = 16,064,620,341.19
  5. Step 5: Solve for x
    x = 16,064,620,341.19/156,974.20
  6. Step 6: Final answer
    x = 102,339.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.