Home / 515,149.24-772,760.75-136,066.19

Finding the Fourth Proportional to 515,149.24, 772,760.75 and 136,066.19

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Solution

The fourth proportional to 515,149.24, 772,760.75 and 136,066.19 is: 204,109.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,149.24 : 772,760.75 = 136,066.19 : x
  2. Step 2: Convert to fraction form
    515,149.24/772,760.75 = 136,066.19/x
  3. Step 3: Cross multiply
    515,149.24x = 772,760.75 × 136,066.19
  4. Step 4: Simplify right side
    515,149.24x = 105,146,615,010.16
  5. Step 5: Solve for x
    x = 105,146,615,010.16/515,149.24
  6. Step 6: Final answer
    x = 204,109.04

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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.