Home / 233,238.04-321,864.92-129,871.52

Finding the Fourth Proportional to 233,238.04, 321,864.92 and 129,871.52

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Solution

The fourth proportional to 233,238.04, 321,864.92 and 129,871.52 is: 179,220.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,238.04 : 321,864.92 = 129,871.52 : x
  2. Step 2: Convert to fraction form
    233,238.04/321,864.92 = 129,871.52/x
  3. Step 3: Cross multiply
    233,238.04x = 321,864.92 × 129,871.52
  4. Step 4: Simplify right side
    233,238.04x = 41,801,086,395.08
  5. Step 5: Solve for x
    x = 41,801,086,395.08/233,238.04
  6. Step 6: Final answer
    x = 179,220.71

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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.