Home / 130,678.38-195,944.67-63,974.88

Finding the Fourth Proportional to 130,678.38, 195,944.67 and 63,974.88

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Solution

The fourth proportional to 130,678.38, 195,944.67 and 63,974.88 is: 95,926.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,678.38 : 195,944.67 = 63,974.88 : x
  2. Step 2: Convert to fraction form
    130,678.38/195,944.67 = 63,974.88/x
  3. Step 3: Cross multiply
    130,678.38x = 195,944.67 × 63,974.88
  4. Step 4: Simplify right side
    130,678.38x = 12,535,536,749.89
  5. Step 5: Solve for x
    x = 12,535,536,749.89/130,678.38
  6. Step 6: Final answer
    x = 95,926.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.