Home / 173,825.40-260,687.88-79,002.75

Finding the Fourth Proportional to 173,825.40, 260,687.88 and 79,002.75

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Solution

The fourth proportional to 173,825.40, 260,687.88 and 79,002.75 is: 118,481.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,825.40 : 260,687.88 = 79,002.75 : x
  2. Step 2: Convert to fraction form
    173,825.40/260,687.88 = 79,002.75/x
  3. Step 3: Cross multiply
    173,825.40x = 260,687.88 × 79,002.75
  4. Step 4: Simplify right side
    173,825.40x = 20,595,059,411.67
  5. Step 5: Solve for x
    x = 20,595,059,411.67/173,825.40
  6. Step 6: Final answer
    x = 118,481.30

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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.