Home / 372,002.30-558,003.45-222,703.10

Finding the Fourth Proportional to 372,002.30, 558,003.45 and 222,703.10

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Solution

The fourth proportional to 372,002.30, 558,003.45 and 222,703.10 is: 334,054.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,002.30 : 558,003.45 = 222,703.10 : x
  2. Step 2: Convert to fraction form
    372,002.30/558,003.45 = 222,703.10/x
  3. Step 3: Cross multiply
    372,002.30x = 558,003.45 × 222,703.10
  4. Step 4: Simplify right side
    372,002.30x = 124,269,098,125.70
  5. Step 5: Solve for x
    x = 124,269,098,125.70/372,002.30
  6. Step 6: Final answer
    x = 334,054.65

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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.