Home / 319,234.20-478,851.30-129,694.20

Finding the Fourth Proportional to 319,234.20, 478,851.30 and 129,694.20

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Solution

The fourth proportional to 319,234.20, 478,851.30 and 129,694.20 is: 194,541.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,234.20 : 478,851.30 = 129,694.20 : x
  2. Step 2: Convert to fraction form
    319,234.20/478,851.30 = 129,694.20/x
  3. Step 3: Cross multiply
    319,234.20x = 478,851.30 × 129,694.20
  4. Step 4: Simplify right side
    319,234.20x = 62,104,236,272.46
  5. Step 5: Solve for x
    x = 62,104,236,272.46/319,234.20
  6. Step 6: Final answer
    x = 194,541.30

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Similar ratio
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1.5x scale

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.