Home / 194,353.20-268,212.96-109,478.16

Finding the Fourth Proportional to 194,353.20, 268,212.96 and 109,478.16

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Solution

The fourth proportional to 194,353.20, 268,212.96 and 109,478.16 is: 151,082.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,353.20 : 268,212.96 = 109,478.16 : x
  2. Step 2: Convert to fraction form
    194,353.20/268,212.96 = 109,478.16/x
  3. Step 3: Cross multiply
    194,353.20x = 268,212.96 × 109,478.16
  4. Step 4: Simplify right side
    194,353.20x = 29,363,461,348.95
  5. Step 5: Solve for x
    x = 29,363,461,348.95/194,353.20
  6. Step 6: Final answer
    x = 151,082.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.