Home / 233,236.03-321,862.16-129,869.53

Finding the Fourth Proportional to 233,236.03, 321,862.16 and 129,869.53

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Solution

The fourth proportional to 233,236.03, 321,862.16 and 129,869.53 is: 179,217.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,236.03 : 321,862.16 = 129,869.53 : x
  2. Step 2: Convert to fraction form
    233,236.03/321,862.16 = 129,869.53/x
  3. Step 3: Cross multiply
    233,236.03x = 321,862.16 × 129,869.53
  4. Step 4: Simplify right side
    233,236.03x = 41,800,086,233.49
  5. Step 5: Solve for x
    x = 41,800,086,233.49/233,236.03
  6. Step 6: Final answer
    x = 179,217.96

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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.