Home / 156,618.30-234,927.45-38,290.80

Finding the Fourth Proportional to 156,618.30, 234,927.45 and 38,290.80

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Solution

The fourth proportional to 156,618.30, 234,927.45 and 38,290.80 is: 57,436.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,618.30 : 234,927.45 = 38,290.80 : x
  2. Step 2: Convert to fraction form
    156,618.30/234,927.45 = 38,290.80/x
  3. Step 3: Cross multiply
    156,618.30x = 234,927.45 × 38,290.80
  4. Step 4: Simplify right side
    156,618.30x = 8,995,560,002.46
  5. Step 5: Solve for x
    x = 8,995,560,002.46/156,618.30
  6. Step 6: Final answer
    x = 57,436.20

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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.