Home / 179,151.94-247,103.22-121,757.57

Finding the Fourth Proportional to 179,151.94, 247,103.22 and 121,757.57

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Solution

The fourth proportional to 179,151.94, 247,103.22 and 121,757.57 is: 167,939.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,151.94 : 247,103.22 = 121,757.57 : x
  2. Step 2: Convert to fraction form
    179,151.94/247,103.22 = 121,757.57/x
  3. Step 3: Cross multiply
    179,151.94x = 247,103.22 × 121,757.57
  4. Step 4: Simplify right side
    179,151.94x = 30,086,687,606.38
  5. Step 5: Solve for x
    x = 30,086,687,606.38/179,151.94
  6. Step 6: Final answer
    x = 167,939.50

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1.5x scale

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.