Home / 372,912.20-559,562.70-162,571.40

Finding the Fourth Proportional to 372,912.20, 559,562.70 and 162,571.40

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Solution

The fourth proportional to 372,912.20, 559,562.70 and 162,571.40 is: 243,941.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,912.20 : 559,562.70 = 162,571.40 : x
  2. Step 2: Convert to fraction form
    372,912.20/559,562.70 = 162,571.40/x
  3. Step 3: Cross multiply
    372,912.20x = 559,562.70 × 162,571.40
  4. Step 4: Simplify right side
    372,912.20x = 90,968,891,526.78
  5. Step 5: Solve for x
    x = 90,968,891,526.78/372,912.20
  6. Step 6: Final answer
    x = 243,941.85

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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.