Home / 231,938.93-320,229.90-178,127.79

Finding the Fourth Proportional to 231,938.93, 320,229.90 and 178,127.79

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Solution

The fourth proportional to 231,938.93, 320,229.90 and 178,127.79 is: 245,934.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,938.93 : 320,229.90 = 178,127.79 : x
  2. Step 2: Convert to fraction form
    231,938.93/320,229.90 = 178,127.79/x
  3. Step 3: Cross multiply
    231,938.93x = 320,229.90 × 178,127.79
  4. Step 4: Simplify right side
    231,938.93x = 57,041,844,378.92
  5. Step 5: Solve for x
    x = 57,041,844,378.92/231,938.93
  6. Step 6: Final answer
    x = 245,934.76

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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.