Home / 233,280.06-321,815.61-137,722.74

Finding the Fourth Proportional to 233,280.06, 321,815.61 and 137,722.74

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Solution

The fourth proportional to 233,280.06, 321,815.61 and 137,722.74 is: 189,991.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,280.06 : 321,815.61 = 137,722.74 : x
  2. Step 2: Convert to fraction form
    233,280.06/321,815.61 = 137,722.74/x
  3. Step 3: Cross multiply
    233,280.06x = 321,815.61 × 137,722.74
  4. Step 4: Simplify right side
    233,280.06x = 44,321,327,583.97
  5. Step 5: Solve for x
    x = 44,321,327,583.97/233,280.06
  6. Step 6: Final answer
    x = 189,991.92

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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.