Home / 232,922.79-321,431.51-130,948.70

Finding the Fourth Proportional to 232,922.79, 321,431.51 and 130,948.70

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Solution

The fourth proportional to 232,922.79, 321,431.51 and 130,948.70 is: 180,708.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,922.79 : 321,431.51 = 130,948.70 : x
  2. Step 2: Convert to fraction form
    232,922.79/321,431.51 = 130,948.70/x
  3. Step 3: Cross multiply
    232,922.79x = 321,431.51 × 130,948.70
  4. Step 4: Simplify right side
    232,922.79x = 42,091,036,513.43
  5. Step 5: Solve for x
    x = 42,091,036,513.43/232,922.79
  6. Step 6: Final answer
    x = 180,708.11

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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.