Home / 232,921.27-321,429.41-130,947.18

Finding the Fourth Proportional to 232,921.27, 321,429.41 and 130,947.18

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Solution

The fourth proportional to 232,921.27, 321,429.41 and 130,947.18 is: 180,706.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,921.27 : 321,429.41 = 130,947.18 : x
  2. Step 2: Convert to fraction form
    232,921.27/321,429.41 = 130,947.18/x
  3. Step 3: Cross multiply
    232,921.27x = 321,429.41 × 130,947.18
  4. Step 4: Simplify right side
    232,921.27x = 42,090,275,984.14
  5. Step 5: Solve for x
    x = 42,090,275,984.14/232,921.27
  6. Step 6: Final answer
    x = 180,706.02

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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.