Home / 372,228.10-558,342.15-105,997.30

Finding the Fourth Proportional to 372,228.10, 558,342.15 and 105,997.30

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Solution

The fourth proportional to 372,228.10, 558,342.15 and 105,997.30 is: 158,995.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,228.10 : 558,342.15 = 105,997.30 : x
  2. Step 2: Convert to fraction form
    372,228.10/558,342.15 = 105,997.30/x
  3. Step 3: Cross multiply
    372,228.10x = 558,342.15 × 105,997.30
  4. Step 4: Simplify right side
    372,228.10x = 59,182,760,376.20
  5. Step 5: Solve for x
    x = 59,182,760,376.20/372,228.10
  6. Step 6: Final answer
    x = 158,995.95

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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.