Home / 115,067.48-158,761.04-74,214.32

Finding the Fourth Proportional to 115,067.48, 158,761.04 and 74,214.32

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Solution

The fourth proportional to 115,067.48, 158,761.04 and 74,214.32 is: 102,395.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,067.48 : 158,761.04 = 74,214.32 : x
  2. Step 2: Convert to fraction form
    115,067.48/158,761.04 = 74,214.32/x
  3. Step 3: Cross multiply
    115,067.48x = 158,761.04 × 74,214.32
  4. Step 4: Simplify right side
    115,067.48x = 11,782,342,626.09
  5. Step 5: Solve for x
    x = 11,782,342,626.09/115,067.48
  6. Step 6: Final answer
    x = 102,395.07

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1.5x scale

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.