Home / 130,796.38-196,311.21-60,715.18

Finding the Fourth Proportional to 130,796.38, 196,311.21 and 60,715.18

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Solution

The fourth proportional to 130,796.38, 196,311.21 and 60,715.18 is: 91,126.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,796.38 : 196,311.21 = 60,715.18 : x
  2. Step 2: Convert to fraction form
    130,796.38/196,311.21 = 60,715.18/x
  3. Step 3: Cross multiply
    130,796.38x = 196,311.21 × 60,715.18
  4. Step 4: Simplify right side
    130,796.38x = 11,919,070,451.17
  5. Step 5: Solve for x
    x = 11,919,070,451.17/130,796.38
  6. Step 6: Final answer
    x = 91,126.91

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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.