Home / 399,182.11-598,781.67-143,031.41

Finding the Fourth Proportional to 399,182.11, 598,781.67 and 143,031.41

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Solution

The fourth proportional to 399,182.11, 598,781.67 and 143,031.41 is: 214,550.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,182.11 : 598,781.67 = 143,031.41 : x
  2. Step 2: Convert to fraction form
    399,182.11/598,781.67 = 143,031.41/x
  3. Step 3: Cross multiply
    399,182.11x = 598,781.67 × 143,031.41
  4. Step 4: Simplify right side
    399,182.11x = 85,644,585,257.41
  5. Step 5: Solve for x
    x = 85,644,585,257.41/399,182.11
  6. Step 6: Final answer
    x = 214,550.16

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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.