Home / 232,918.55-321,439.01-130,976.11

Finding the Fourth Proportional to 232,918.55, 321,439.01 and 130,976.11

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Solution

The fourth proportional to 232,918.55, 321,439.01 and 130,976.11 is: 180,753.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,918.55 : 321,439.01 = 130,976.11 : x
  2. Step 2: Convert to fraction form
    232,918.55/321,439.01 = 130,976.11/x
  3. Step 3: Cross multiply
    232,918.55x = 321,439.01 × 130,976.11
  4. Step 4: Simplify right side
    232,918.55x = 42,100,829,673.57
  5. Step 5: Solve for x
    x = 42,100,829,673.57/232,918.55
  6. Step 6: Final answer
    x = 180,753.44

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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.