Home / 372,020.41-513,198.88-243,034.39

Finding the Fourth Proportional to 372,020.41, 513,198.88 and 243,034.39

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Solution

The fourth proportional to 372,020.41, 513,198.88 and 243,034.39 is: 335,263.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,020.41 : 513,198.88 = 243,034.39 : x
  2. Step 2: Convert to fraction form
    372,020.41/513,198.88 = 243,034.39/x
  3. Step 3: Cross multiply
    372,020.41x = 513,198.88 × 243,034.39
  4. Step 4: Simplify right side
    372,020.41x = 124,724,976,749.48
  5. Step 5: Solve for x
    x = 124,724,976,749.48/372,020.41
  6. Step 6: Final answer
    x = 335,263.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.