Home / 233,192.80-321,806.45-131,223.92

Finding the Fourth Proportional to 233,192.80, 321,806.45 and 131,223.92

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Solution

The fourth proportional to 233,192.80, 321,806.45 and 131,223.92 is: 181,089.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,192.80 : 321,806.45 = 131,223.92 : x
  2. Step 2: Convert to fraction form
    233,192.80/321,806.45 = 131,223.92/x
  3. Step 3: Cross multiply
    233,192.80x = 321,806.45 × 131,223.92
  4. Step 4: Simplify right side
    233,192.80x = 42,228,703,850.28
  5. Step 5: Solve for x
    x = 42,228,703,850.28/233,192.80
  6. Step 6: Final answer
    x = 181,089.23

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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.