Home / 223,349.62-334,876.33-81,178.02

Finding the Fourth Proportional to 223,349.62, 334,876.33 and 81,178.02

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Solution

The fourth proportional to 223,349.62, 334,876.33 and 81,178.02 is: 121,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,349.62 : 334,876.33 = 81,178.02 : x
  2. Step 2: Convert to fraction form
    223,349.62/334,876.33 = 81,178.02/x
  3. Step 3: Cross multiply
    223,349.62x = 334,876.33 × 81,178.02
  4. Step 4: Simplify right side
    223,349.62x = 27,184,597,414.27
  5. Step 5: Solve for x
    x = 27,184,597,414.27/223,349.62
  6. Step 6: Final answer
    x = 121,713.20

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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.