Home / 316,836.20-437,234.10-173,601.80

Finding the Fourth Proportional to 316,836.20, 437,234.10 and 173,601.80

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Solution

The fourth proportional to 316,836.20, 437,234.10 and 173,601.80 is: 239,570.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,836.20 : 437,234.10 = 173,601.80 : x
  2. Step 2: Convert to fraction form
    316,836.20/437,234.10 = 173,601.80/x
  3. Step 3: Cross multiply
    316,836.20x = 437,234.10 × 173,601.80
  4. Step 4: Simplify right side
    316,836.20x = 75,904,626,781.38
  5. Step 5: Solve for x
    x = 75,904,626,781.38/316,836.20
  6. Step 6: Final answer
    x = 239,570.56

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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.