Home / 324,627.80-486,966.16-96,905.43

Finding the Fourth Proportional to 324,627.80, 486,966.16 and 96,905.43

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Solution

The fourth proportional to 324,627.80, 486,966.16 and 96,905.43 is: 145,365.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,627.80 : 486,966.16 = 96,905.43 : x
  2. Step 2: Convert to fraction form
    324,627.80/486,966.16 = 96,905.43/x
  3. Step 3: Cross multiply
    324,627.80x = 486,966.16 × 96,905.43
  4. Step 4: Simplify right side
    324,627.80x = 47,189,665,251.38
  5. Step 5: Solve for x
    x = 47,189,665,251.38/324,627.80
  6. Step 6: Final answer
    x = 145,365.45

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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.