Home / 233,346.88-321,984-131,357.44

Finding the Fourth Proportional to 233,346.88, 321,984 and 131,357.44

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Solution

The fourth proportional to 233,346.88, 321,984 and 131,357.44 is: 181,253.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,346.88 : 321,984 = 131,357.44 : x
  2. Step 2: Convert to fraction form
    233,346.88/321,984 = 131,357.44/x
  3. Step 3: Cross multiply
    233,346.88x = 321,984 × 131,357.44
  4. Step 4: Simplify right side
    233,346.88x = 42,294,993,960.96
  5. Step 5: Solve for x
    x = 42,294,993,960.96/233,346.88
  6. Step 6: Final answer
    x = 181,253.74

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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.