Home / 324,945.29-487,657.51-154,167.73

Finding the Fourth Proportional to 324,945.29, 487,657.51 and 154,167.73

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Solution

The fourth proportional to 324,945.29, 487,657.51 and 154,167.73 is: 231,365.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,945.29 : 487,657.51 = 154,167.73 : x
  2. Step 2: Convert to fraction form
    324,945.29/487,657.51 = 154,167.73/x
  3. Step 3: Cross multiply
    324,945.29x = 487,657.51 × 154,167.73
  4. Step 4: Simplify right side
    324,945.29x = 75,181,049,729.59
  5. Step 5: Solve for x
    x = 75,181,049,729.59/324,945.29
  6. Step 6: Final answer
    x = 231,365.25

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1.5x scale

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.