Home / 198,416.20-297,278.70-167,312.20

Finding the Fourth Proportional to 198,416.20, 297,278.70 and 167,312.20

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Solution

The fourth proportional to 198,416.20, 297,278.70 and 167,312.20 is: 250,676.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,416.20 : 297,278.70 = 167,312.20 : x
  2. Step 2: Convert to fraction form
    198,416.20/297,278.70 = 167,312.20/x
  3. Step 3: Cross multiply
    198,416.20x = 297,278.70 × 167,312.20
  4. Step 4: Simplify right side
    198,416.20x = 49,738,353,310.14
  5. Step 5: Solve for x
    x = 49,738,353,310.14/198,416.20
  6. Step 6: Final answer
    x = 250,676.88

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1.5x scale

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.