Home / 136,383.18-188,195.30-75,959.44

Finding the Fourth Proportional to 136,383.18, 188,195.30 and 75,959.44

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Solution

The fourth proportional to 136,383.18, 188,195.30 and 75,959.44 is: 104,816.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,383.18 : 188,195.30 = 75,959.44 : x
  2. Step 2: Convert to fraction form
    136,383.18/188,195.30 = 75,959.44/x
  3. Step 3: Cross multiply
    136,383.18x = 188,195.30 × 75,959.44
  4. Step 4: Simplify right side
    136,383.18x = 14,295,209,033.19
  5. Step 5: Solve for x
    x = 14,295,209,033.19/136,383.18
  6. Step 6: Final answer
    x = 104,816.51

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1.5x scale

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.