Home / 181,074.40-271,417.20-68,711.20

Finding the Fourth Proportional to 181,074.40, 271,417.20 and 68,711.20

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Solution

The fourth proportional to 181,074.40, 271,417.20 and 68,711.20 is: 102,993.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,074.40 : 271,417.20 = 68,711.20 : x
  2. Step 2: Convert to fraction form
    181,074.40/271,417.20 = 68,711.20/x
  3. Step 3: Cross multiply
    181,074.40x = 271,417.20 × 68,711.20
  4. Step 4: Simplify right side
    181,074.40x = 18,649,401,512.64
  5. Step 5: Solve for x
    x = 18,649,401,512.64/181,074.40
  6. Step 6: Final answer
    x = 102,993.03

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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.