Home / 398,841.14-598,132.26-132,530.18

Finding the Fourth Proportional to 398,841.14, 598,132.26 and 132,530.18

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Solution

The fourth proportional to 398,841.14, 598,132.26 and 132,530.18 is: 198,752.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,841.14 : 598,132.26 = 132,530.18 : x
  2. Step 2: Convert to fraction form
    398,841.14/598,132.26 = 132,530.18/x
  3. Step 3: Cross multiply
    398,841.14x = 598,132.26 × 132,530.18
  4. Step 4: Simplify right side
    398,841.14x = 79,270,576,081.61
  5. Step 5: Solve for x
    x = 79,270,576,081.61/398,841.14
  6. Step 6: Final answer
    x = 198,752.26

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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.