Home / 208,333.16-312,081.78-95,856.68

Finding the Fourth Proportional to 208,333.16, 312,081.78 and 95,856.68

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Solution

The fourth proportional to 208,333.16, 312,081.78 and 95,856.68 is: 143,592.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,333.16 : 312,081.78 = 95,856.68 : x
  2. Step 2: Convert to fraction form
    208,333.16/312,081.78 = 95,856.68/x
  3. Step 3: Cross multiply
    208,333.16x = 312,081.78 × 95,856.68
  4. Step 4: Simplify right side
    208,333.16x = 29,915,123,319.29
  5. Step 5: Solve for x
    x = 29,915,123,319.29/208,333.16
  6. Step 6: Final answer
    x = 143,592.71

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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.