Home / 146,510.20-219,765.30-53,003.80

Finding the Fourth Proportional to 146,510.20, 219,765.30 and 53,003.80

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Solution

The fourth proportional to 146,510.20, 219,765.30 and 53,003.80 is: 79,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,510.20 : 219,765.30 = 53,003.80 : x
  2. Step 2: Convert to fraction form
    146,510.20/219,765.30 = 53,003.80/x
  3. Step 3: Cross multiply
    146,510.20x = 219,765.30 × 53,003.80
  4. Step 4: Simplify right side
    146,510.20x = 11,648,396,008.14
  5. Step 5: Solve for x
    x = 11,648,396,008.14/146,510.20
  6. Step 6: Final answer
    x = 79,505.70

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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.