Home / 294,934.75-442,121.85-188,018.61

Finding the Fourth Proportional to 294,934.75, 442,121.85 and 188,018.61

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Solution

The fourth proportional to 294,934.75, 442,121.85 and 188,018.61 is: 281,849.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,934.75 : 442,121.85 = 188,018.61 : x
  2. Step 2: Convert to fraction form
    294,934.75/442,121.85 = 188,018.61/x
  3. Step 3: Cross multiply
    294,934.75x = 442,121.85 × 188,018.61
  4. Step 4: Simplify right side
    294,934.75x = 83,127,135,687.63
  5. Step 5: Solve for x
    x = 83,127,135,687.63/294,934.75
  6. Step 6: Final answer
    x = 281,849.24

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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.