Home / 134,261.28-185,351.76-83,976.48

Finding the Fourth Proportional to 134,261.28, 185,351.76 and 83,976.48

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Solution

The fourth proportional to 134,261.28, 185,351.76 and 83,976.48 is: 115,932.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,261.28 : 185,351.76 = 83,976.48 : x
  2. Step 2: Convert to fraction form
    134,261.28/185,351.76 = 83,976.48/x
  3. Step 3: Cross multiply
    134,261.28x = 185,351.76 × 83,976.48
  4. Step 4: Simplify right side
    134,261.28x = 15,565,188,366.60
  5. Step 5: Solve for x
    x = 15,565,188,366.60/134,261.28
  6. Step 6: Final answer
    x = 115,932.07

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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.