Home / 105,998.97-146,279.33-58,252.20

Finding the Fourth Proportional to 105,998.97, 146,279.33 and 58,252.20

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Solution

The fourth proportional to 105,998.97, 146,279.33 and 58,252.20 is: 80,388.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,998.97 : 146,279.33 = 58,252.20 : x
  2. Step 2: Convert to fraction form
    105,998.97/146,279.33 = 58,252.20/x
  3. Step 3: Cross multiply
    105,998.97x = 146,279.33 × 58,252.20
  4. Step 4: Simplify right side
    105,998.97x = 8,521,092,787.03
  5. Step 5: Solve for x
    x = 8,521,092,787.03/105,998.97
  6. Step 6: Final answer
    x = 80,388.45

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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.