Home / 105,961.28-146,227.56-58,215.62

Finding the Fourth Proportional to 105,961.28, 146,227.56 and 58,215.62

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Solution

The fourth proportional to 105,961.28, 146,227.56 and 58,215.62 is: 80,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,961.28 : 146,227.56 = 58,215.62 : x
  2. Step 2: Convert to fraction form
    105,961.28/146,227.56 = 58,215.62/x
  3. Step 3: Cross multiply
    105,961.28x = 146,227.56 × 58,215.62
  4. Step 4: Simplify right side
    105,961.28x = 8,512,728,066.49
  5. Step 5: Solve for x
    x = 8,512,728,066.49/105,961.28
  6. Step 6: Final answer
    x = 80,338.10

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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.