Home / 134,340.48-185,383.08-80,614.80

Finding the Fourth Proportional to 134,340.48, 185,383.08 and 80,614.80

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Solution

The fourth proportional to 134,340.48, 185,383.08 and 80,614.80 is: 111,244.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,340.48 : 185,383.08 = 80,614.80 : x
  2. Step 2: Convert to fraction form
    134,340.48/185,383.08 = 80,614.80/x
  3. Step 3: Cross multiply
    134,340.48x = 185,383.08 × 80,614.80
  4. Step 4: Simplify right side
    134,340.48x = 14,944,619,917.58
  5. Step 5: Solve for x
    x = 14,944,619,917.58/134,340.48
  6. Step 6: Final answer
    x = 111,244.35

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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.