Home / 130,974.72-196,463.45-104,845.56

Finding the Fourth Proportional to 130,974.72, 196,463.45 and 104,845.56

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Solution

The fourth proportional to 130,974.72, 196,463.45 and 104,845.56 is: 157,269.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,974.72 : 196,463.45 = 104,845.56 : x
  2. Step 2: Convert to fraction form
    130,974.72/196,463.45 = 104,845.56/x
  3. Step 3: Cross multiply
    130,974.72x = 196,463.45 × 104,845.56
  4. Step 4: Simplify right side
    130,974.72x = 20,598,320,434.78
  5. Step 5: Solve for x
    x = 20,598,320,434.78/130,974.72
  6. Step 6: Final answer
    x = 157,269.44

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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.