Home / 243,982.36-336,631.68-140,591.14

Finding the Fourth Proportional to 243,982.36, 336,631.68 and 140,591.14

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Solution

The fourth proportional to 243,982.36, 336,631.68 and 140,591.14 is: 193,978.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,982.36 : 336,631.68 = 140,591.14 : x
  2. Step 2: Convert to fraction form
    243,982.36/336,631.68 = 140,591.14/x
  3. Step 3: Cross multiply
    243,982.36x = 336,631.68 × 140,591.14
  4. Step 4: Simplify right side
    243,982.36x = 47,327,431,651.32
  5. Step 5: Solve for x
    x = 47,327,431,651.32/243,982.36
  6. Step 6: Final answer
    x = 193,978.91

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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.