Home / 119,492.20-179,627.10-112,493.80

Finding the Fourth Proportional to 119,492.20, 179,627.10 and 112,493.80

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Solution

The fourth proportional to 119,492.20, 179,627.10 and 112,493.80 is: 169,106.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,492.20 : 179,627.10 = 112,493.80 : x
  2. Step 2: Convert to fraction form
    119,492.20/179,627.10 = 112,493.80/x
  3. Step 3: Cross multiply
    119,492.20x = 179,627.10 × 112,493.80
  4. Step 4: Simplify right side
    119,492.20x = 20,206,935,061.98
  5. Step 5: Solve for x
    x = 20,206,935,061.98/119,492.20
  6. Step 6: Final answer
    x = 169,106.73

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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.