Home / 268,974.25-402,337.69-189,006.59

Finding the Fourth Proportional to 268,974.25, 402,337.69 and 189,006.59

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Solution

The fourth proportional to 268,974.25, 402,337.69 and 189,006.59 is: 282,720.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,974.25 : 402,337.69 = 189,006.59 : x
  2. Step 2: Convert to fraction form
    268,974.25/402,337.69 = 189,006.59/x
  3. Step 3: Cross multiply
    268,974.25x = 402,337.69 × 189,006.59
  4. Step 4: Simplify right side
    268,974.25x = 76,044,474,815.38
  5. Step 5: Solve for x
    x = 76,044,474,815.38/268,974.25
  6. Step 6: Final answer
    x = 282,720.28

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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.