Home / 194,515.20-268,423.20-109,649.88

Finding the Fourth Proportional to 194,515.20, 268,423.20 and 109,649.88

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Solution

The fourth proportional to 194,515.20, 268,423.20 and 109,649.88 is: 151,312.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,515.20 : 268,423.20 = 109,649.88 : x
  2. Step 2: Convert to fraction form
    194,515.20/268,423.20 = 109,649.88/x
  3. Step 3: Cross multiply
    194,515.20x = 268,423.20 × 109,649.88
  4. Step 4: Simplify right side
    194,515.20x = 29,432,571,669.22
  5. Step 5: Solve for x
    x = 29,432,571,669.22/194,515.20
  6. Step 6: Final answer
    x = 151,312.45

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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.