Home / 233,243.15-321,862.23-131,272.86

Finding the Fourth Proportional to 233,243.15, 321,862.23 and 131,272.86

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Solution

The fourth proportional to 233,243.15, 321,862.23 and 131,272.86 is: 181,149.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,243.15 : 321,862.23 = 131,272.86 : x
  2. Step 2: Convert to fraction form
    233,243.15/321,862.23 = 131,272.86/x
  3. Step 3: Cross multiply
    233,243.15x = 321,862.23 × 131,272.86
  4. Step 4: Simplify right side
    233,243.15x = 42,251,775,458.08
  5. Step 5: Solve for x
    x = 42,251,775,458.08/233,243.15
  6. Step 6: Final answer
    x = 181,149.05

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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.