Home / 185,116.25-255,460.61-100,233.11

Finding the Fourth Proportional to 185,116.25, 255,460.61 and 100,233.11

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Solution

The fourth proportional to 185,116.25, 255,460.61 and 100,233.11 is: 138,321.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,116.25 : 255,460.61 = 100,233.11 : x
  2. Step 2: Convert to fraction form
    185,116.25/255,460.61 = 100,233.11/x
  3. Step 3: Cross multiply
    185,116.25x = 255,460.61 × 100,233.11
  4. Step 4: Simplify right side
    185,116.25x = 25,605,610,790.24
  5. Step 5: Solve for x
    x = 25,605,610,790.24/185,116.25
  6. Step 6: Final answer
    x = 138,321.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.