Home / 115,214.25-172,593.28-54,341.16

Finding the Fourth Proportional to 115,214.25, 172,593.28 and 54,341.16

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Solution

The fourth proportional to 115,214.25, 172,593.28 and 54,341.16 is: 81,404.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,214.25 : 172,593.28 = 54,341.16 : x
  2. Step 2: Convert to fraction form
    115,214.25/172,593.28 = 54,341.16/x
  3. Step 3: Cross multiply
    115,214.25x = 172,593.28 × 54,341.16
  4. Step 4: Simplify right side
    115,214.25x = 9,378,919,111.33
  5. Step 5: Solve for x
    x = 9,378,919,111.33/115,214.25
  6. Step 6: Final answer
    x = 81,404.16

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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.