Home / 232,242.78-348,280.55-80,398.56

Finding the Fourth Proportional to 232,242.78, 348,280.55 and 80,398.56

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Solution

The fourth proportional to 232,242.78, 348,280.55 and 80,398.56 is: 120,568.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,242.78 : 348,280.55 = 80,398.56 : x
  2. Step 2: Convert to fraction form
    232,242.78/348,280.55 = 80,398.56/x
  3. Step 3: Cross multiply
    232,242.78x = 348,280.55 × 80,398.56
  4. Step 4: Simplify right side
    232,242.78x = 28,001,252,954.61
  5. Step 5: Solve for x
    x = 28,001,252,954.61/232,242.78
  6. Step 6: Final answer
    x = 120,568.89

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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.