Home / 233,132.12-321,722.82-137,644.96

Finding the Fourth Proportional to 233,132.12, 321,722.82 and 137,644.96

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Solution

The fourth proportional to 233,132.12, 321,722.82 and 137,644.96 is: 189,950.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,132.12 : 321,722.82 = 137,644.96 : x
  2. Step 2: Convert to fraction form
    233,132.12/321,722.82 = 137,644.96/x
  3. Step 3: Cross multiply
    233,132.12x = 321,722.82 × 137,644.96
  4. Step 4: Simplify right side
    233,132.12x = 44,283,524,689.99
  5. Step 5: Solve for x
    x = 44,283,524,689.99/233,132.12
  6. Step 6: Final answer
    x = 189,950.34

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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.