Home / 233,132.93-321,723.93-137,645.78

Finding the Fourth Proportional to 233,132.93, 321,723.93 and 137,645.78

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Solution

The fourth proportional to 233,132.93, 321,723.93 and 137,645.78 is: 189,951.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,132.93 : 321,723.93 = 137,645.78 : x
  2. Step 2: Convert to fraction form
    233,132.93/321,723.93 = 137,645.78/x
  3. Step 3: Cross multiply
    233,132.93x = 321,723.93 × 137,645.78
  4. Step 4: Simplify right side
    233,132.93x = 44,283,940,197.07
  5. Step 5: Solve for x
    x = 44,283,940,197.07/233,132.93
  6. Step 6: Final answer
    x = 189,951.46

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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.