Home / 259,013.46-388,418.04-125,854.32

Finding the Fourth Proportional to 259,013.46, 388,418.04 and 125,854.32

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Solution

The fourth proportional to 259,013.46, 388,418.04 and 125,854.32 is: 188,731.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,013.46 : 388,418.04 = 125,854.32 : x
  2. Step 2: Convert to fraction form
    259,013.46/388,418.04 = 125,854.32/x
  3. Step 3: Cross multiply
    259,013.46x = 388,418.04 × 125,854.32
  4. Step 4: Simplify right side
    259,013.46x = 48,884,088,299.93
  5. Step 5: Solve for x
    x = 48,884,088,299.93/259,013.46
  6. Step 6: Final answer
    x = 188,731.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.