Home / 114,138.29-157,565.75-75,961.37

Finding the Fourth Proportional to 114,138.29, 157,565.75 and 75,961.37

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Solution

The fourth proportional to 114,138.29, 157,565.75 and 75,961.37 is: 104,863.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,138.29 : 157,565.75 = 75,961.37 : x
  2. Step 2: Convert to fraction form
    114,138.29/157,565.75 = 75,961.37/x
  3. Step 3: Cross multiply
    114,138.29x = 157,565.75 × 75,961.37
  4. Step 4: Simplify right side
    114,138.29x = 11,968,909,067.44
  5. Step 5: Solve for x
    x = 11,968,909,067.44/114,138.29
  6. Step 6: Final answer
    x = 104,863.23

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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.