Home / 148,823.20-223,234.80-38,015.20

Finding the Fourth Proportional to 148,823.20, 223,234.80 and 38,015.20

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Solution

The fourth proportional to 148,823.20, 223,234.80 and 38,015.20 is: 57,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,823.20 : 223,234.80 = 38,015.20 : x
  2. Step 2: Convert to fraction form
    148,823.20/223,234.80 = 38,015.20/x
  3. Step 3: Cross multiply
    148,823.20x = 223,234.80 × 38,015.20
  4. Step 4: Simplify right side
    148,823.20x = 8,486,315,568.96
  5. Step 5: Solve for x
    x = 8,486,315,568.96/148,823.20
  6. Step 6: Final answer
    x = 57,022.80

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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.