Home / 372,643.20-558,921.60-106,444.80

Finding the Fourth Proportional to 372,643.20, 558,921.60 and 106,444.80

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Solution

The fourth proportional to 372,643.20, 558,921.60 and 106,444.80 is: 159,654.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,643.20 : 558,921.60 = 106,444.80 : x
  2. Step 2: Convert to fraction form
    372,643.20/558,921.60 = 106,444.80/x
  3. Step 3: Cross multiply
    372,643.20x = 558,921.60 × 106,444.80
  4. Step 4: Simplify right side
    372,643.20x = 59,494,297,927.68
  5. Step 5: Solve for x
    x = 59,494,297,927.68/372,643.20
  6. Step 6: Final answer
    x = 159,654.86

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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.