Home / 392,311.90-588,380.27-181,922.50

Finding the Fourth Proportional to 392,311.90, 588,380.27 and 181,922.50

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Solution

The fourth proportional to 392,311.90, 588,380.27 and 181,922.50 is: 272,843.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,311.90 : 588,380.27 = 181,922.50 : x
  2. Step 2: Convert to fraction form
    392,311.90/588,380.27 = 181,922.50/x
  3. Step 3: Cross multiply
    392,311.90x = 588,380.27 × 181,922.50
  4. Step 4: Simplify right side
    392,311.90x = 107,039,609,669.08
  5. Step 5: Solve for x
    x = 107,039,609,669.08/392,311.90
  6. Step 6: Final answer
    x = 272,843.14

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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.