Home / 136,189.68-187,786.80-95,890.56

Finding the Fourth Proportional to 136,189.68, 187,786.80 and 95,890.56

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Solution

The fourth proportional to 136,189.68, 187,786.80 and 95,890.56 is: 132,219.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,189.68 : 187,786.80 = 95,890.56 : x
  2. Step 2: Convert to fraction form
    136,189.68/187,786.80 = 95,890.56/x
  3. Step 3: Cross multiply
    136,189.68x = 187,786.80 × 95,890.56
  4. Step 4: Simplify right side
    136,189.68x = 18,006,981,412.61
  5. Step 5: Solve for x
    x = 18,006,981,412.61/136,189.68
  6. Step 6: Final answer
    x = 132,219.87

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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.