Home / 136,267.86-188,005.89-82,535.70

Finding the Fourth Proportional to 136,267.86, 188,005.89 and 82,535.70

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Solution

The fourth proportional to 136,267.86, 188,005.89 and 82,535.70 is: 113,872.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,267.86 : 188,005.89 = 82,535.70 : x
  2. Step 2: Convert to fraction form
    136,267.86/188,005.89 = 82,535.70/x
  3. Step 3: Cross multiply
    136,267.86x = 188,005.89 × 82,535.70
  4. Step 4: Simplify right side
    136,267.86x = 15,517,197,735.27
  5. Step 5: Solve for x
    x = 15,517,197,735.27/136,267.86
  6. Step 6: Final answer
    x = 113,872.76

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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.