Home / 194,397.78-268,267.74-109,542.18

Finding the Fourth Proportional to 194,397.78, 268,267.74 and 109,542.18

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Solution

The fourth proportional to 194,397.78, 268,267.74 and 109,542.18 is: 151,167.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,397.78 : 268,267.74 = 109,542.18 : x
  2. Step 2: Convert to fraction form
    194,397.78/268,267.74 = 109,542.18/x
  3. Step 3: Cross multiply
    194,397.78x = 268,267.74 × 109,542.18
  4. Step 4: Simplify right side
    194,397.78x = 29,386,633,063.27
  5. Step 5: Solve for x
    x = 29,386,633,063.27/194,397.78
  6. Step 6: Final answer
    x = 151,167.53

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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.