Home / 105,957.12-146,220.22-58,209.44

Finding the Fourth Proportional to 105,957.12, 146,220.22 and 58,209.44

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Solution

The fourth proportional to 105,957.12, 146,220.22 and 58,209.44 is: 80,328.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,957.12 : 146,220.22 = 58,209.44 : x
  2. Step 2: Convert to fraction form
    105,957.12/146,220.22 = 58,209.44/x
  3. Step 3: Cross multiply
    105,957.12x = 146,220.22 × 58,209.44
  4. Step 4: Simplify right side
    105,957.12x = 8,511,397,122.88
  5. Step 5: Solve for x
    x = 8,511,397,122.88/105,957.12
  6. Step 6: Final answer
    x = 80,328.69

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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.