Home / 372,644.20-558,923.10-106,445.80

Finding the Fourth Proportional to 372,644.20, 558,923.10 and 106,445.80

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Solution

The fourth proportional to 372,644.20, 558,923.10 and 106,445.80 is: 159,656.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,644.20 : 558,923.10 = 106,445.80 : x
  2. Step 2: Convert to fraction form
    372,644.20/558,923.10 = 106,445.80/x
  3. Step 3: Cross multiply
    372,644.20x = 558,923.10 × 106,445.80
  4. Step 4: Simplify right side
    372,644.20x = 59,495,016,517.98
  5. Step 5: Solve for x
    x = 59,495,016,517.98/372,644.20
  6. Step 6: Final answer
    x = 159,656.36

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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.