Home / 198,334.75-297,445.63-56,170.64

Finding the Fourth Proportional to 198,334.75, 297,445.63 and 56,170.64

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Solution

The fourth proportional to 198,334.75, 297,445.63 and 56,170.64 is: 84,239.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,334.75 : 297,445.63 = 56,170.64 : x
  2. Step 2: Convert to fraction form
    198,334.75/297,445.63 = 56,170.64/x
  3. Step 3: Cross multiply
    198,334.75x = 297,445.63 × 56,170.64
  4. Step 4: Simplify right side
    198,334.75x = 16,707,711,402.30
  5. Step 5: Solve for x
    x = 16,707,711,402.30/198,334.75
  6. Step 6: Final answer
    x = 84,239.96

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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.