Home / 132,162.80-199,234.57-123,364.31

Finding the Fourth Proportional to 132,162.80, 199,234.57 and 123,364.31

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Solution

The fourth proportional to 132,162.80, 199,234.57 and 123,364.31 is: 185,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,162.80 : 199,234.57 = 123,364.31 : x
  2. Step 2: Convert to fraction form
    132,162.80/199,234.57 = 123,364.31/x
  3. Step 3: Cross multiply
    132,162.80x = 199,234.57 × 123,364.31
  4. Step 4: Simplify right side
    132,162.80x = 24,578,434,639.38
  5. Step 5: Solve for x
    x = 24,578,434,639.38/132,162.80
  6. Step 6: Final answer
    x = 185,970.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.