Home / 144,781.29-217,118.61-49,987.26

Finding the Fourth Proportional to 144,781.29, 217,118.61 and 49,987.26

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Solution

The fourth proportional to 144,781.29, 217,118.61 and 49,987.26 is: 74,962.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,781.29 : 217,118.61 = 49,987.26 : x
  2. Step 2: Convert to fraction form
    144,781.29/217,118.61 = 49,987.26/x
  3. Step 3: Cross multiply
    144,781.29x = 217,118.61 × 49,987.26
  4. Step 4: Simplify right side
    144,781.29x = 10,853,164,408.91
  5. Step 5: Solve for x
    x = 10,853,164,408.91/144,781.29
  6. Step 6: Final answer
    x = 74,962.48

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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.