Home / 105,963.28-146,230.32-58,217.62

Finding the Fourth Proportional to 105,963.28, 146,230.32 and 58,217.62

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Solution

The fourth proportional to 105,963.28, 146,230.32 and 58,217.62 is: 80,340.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,963.28 : 146,230.32 = 58,217.62 : x
  2. Step 2: Convert to fraction form
    105,963.28/146,230.32 = 58,217.62/x
  3. Step 3: Cross multiply
    105,963.28x = 146,230.32 × 58,217.62
  4. Step 4: Simplify right side
    105,963.28x = 8,513,181,202.24
  5. Step 5: Solve for x
    x = 8,513,181,202.24/105,963.28
  6. Step 6: Final answer
    x = 80,340.86

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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.