Home / 230,160.57-345,388.31-111,767.32

Finding the Fourth Proportional to 230,160.57, 345,388.31 and 111,767.32

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Solution

The fourth proportional to 230,160.57, 345,388.31 and 111,767.32 is: 167,722.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,160.57 : 345,388.31 = 111,767.32 : x
  2. Step 2: Convert to fraction form
    230,160.57/345,388.31 = 111,767.32/x
  3. Step 3: Cross multiply
    230,160.57x = 345,388.31 × 111,767.32
  4. Step 4: Simplify right side
    230,160.57x = 38,603,126,060.06
  5. Step 5: Solve for x
    x = 38,603,126,060.06/230,160.57
  6. Step 6: Final answer
    x = 167,722.59

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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.