Home / 175,640.38-263,460.76-82,211.74

Finding the Fourth Proportional to 175,640.38, 263,460.76 and 82,211.74

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Solution

The fourth proportional to 175,640.38, 263,460.76 and 82,211.74 is: 123,317.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,640.38 : 263,460.76 = 82,211.74 : x
  2. Step 2: Convert to fraction form
    175,640.38/263,460.76 = 82,211.74/x
  3. Step 3: Cross multiply
    175,640.38x = 263,460.76 × 82,211.74
  4. Step 4: Simplify right side
    175,640.38x = 21,659,567,501.32
  5. Step 5: Solve for x
    x = 21,659,567,501.32/175,640.38
  6. Step 6: Final answer
    x = 123,317.70

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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.