Home / 105,249.62-157,899.24-34,166.78

Finding the Fourth Proportional to 105,249.62, 157,899.24 and 34,166.78

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Solution

The fourth proportional to 105,249.62, 157,899.24 and 34,166.78 is: 51,258.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,249.62 : 157,899.24 = 34,166.78 : x
  2. Step 2: Convert to fraction form
    105,249.62/157,899.24 = 34,166.78/x
  3. Step 3: Cross multiply
    105,249.62x = 157,899.24 × 34,166.78
  4. Step 4: Simplify right side
    105,249.62x = 5,394,908,595.25
  5. Step 5: Solve for x
    x = 5,394,908,595.25/105,249.62
  6. Step 6: Final answer
    x = 51,258.22

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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.