Home / 372,538.20-558,942.48-230,217.60

Finding the Fourth Proportional to 372,538.20, 558,942.48 and 230,217.60

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Solution

The fourth proportional to 372,538.20, 558,942.48 and 230,217.60 is: 345,409.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,538.20 : 558,942.48 = 230,217.60 : x
  2. Step 2: Convert to fraction form
    372,538.20/558,942.48 = 230,217.60/x
  3. Step 3: Cross multiply
    372,538.20x = 558,942.48 × 230,217.60
  4. Step 4: Simplify right side
    372,538.20x = 128,678,396,283.65
  5. Step 5: Solve for x
    x = 128,678,396,283.65/372,538.20
  6. Step 6: Final answer
    x = 345,409.94

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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.