Home / 138,565.06-191,128.62-95,546.32

Finding the Fourth Proportional to 138,565.06, 191,128.62 and 95,546.32

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Solution

The fourth proportional to 138,565.06, 191,128.62 and 95,546.32 is: 131,791.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,565.06 : 191,128.62 = 95,546.32 : x
  2. Step 2: Convert to fraction form
    138,565.06/191,128.62 = 95,546.32/x
  3. Step 3: Cross multiply
    138,565.06x = 191,128.62 × 95,546.32
  4. Step 4: Simplify right side
    138,565.06x = 18,261,636,287.68
  5. Step 5: Solve for x
    x = 18,261,636,287.68/138,565.06
  6. Step 6: Final answer
    x = 131,791.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.