Home / 146,220.76-219,286.92-76,061.80

Finding the Fourth Proportional to 146,220.76, 219,286.92 and 76,061.80

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Solution

The fourth proportional to 146,220.76, 219,286.92 and 76,061.80 is: 114,069.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,220.76 : 219,286.92 = 76,061.80 : x
  2. Step 2: Convert to fraction form
    146,220.76/219,286.92 = 76,061.80/x
  3. Step 3: Cross multiply
    146,220.76x = 219,286.92 × 76,061.80
  4. Step 4: Simplify right side
    146,220.76x = 16,679,357,851.66
  5. Step 5: Solve for x
    x = 16,679,357,851.66/146,220.76
  6. Step 6: Final answer
    x = 114,069.70

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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.