Home / 243,949.62-336,685.70-140,564.03

Finding the Fourth Proportional to 243,949.62, 336,685.70 and 140,564.03

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Solution

The fourth proportional to 243,949.62, 336,685.70 and 140,564.03 is: 193,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,949.62 : 336,685.70 = 140,564.03 : x
  2. Step 2: Convert to fraction form
    243,949.62/336,685.70 = 140,564.03/x
  3. Step 3: Cross multiply
    243,949.62x = 336,685.70 × 140,564.03
  4. Step 4: Simplify right side
    243,949.62x = 47,325,896,449.12
  5. Step 5: Solve for x
    x = 47,325,896,449.12/243,949.62
  6. Step 6: Final answer
    x = 193,998.65

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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.