Home / 233,020.55-321,579.27-129,655.33

Finding the Fourth Proportional to 233,020.55, 321,579.27 and 129,655.33

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Solution

The fourth proportional to 233,020.55, 321,579.27 and 129,655.33 is: 178,930.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,020.55 : 321,579.27 = 129,655.33 : x
  2. Step 2: Convert to fraction form
    233,020.55/321,579.27 = 129,655.33/x
  3. Step 3: Cross multiply
    233,020.55x = 321,579.27 × 129,655.33
  4. Step 4: Simplify right side
    233,020.55x = 41,694,465,569.06
  5. Step 5: Solve for x
    x = 41,694,465,569.06/233,020.55
  6. Step 6: Final answer
    x = 178,930.42

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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.