Home / 112,616.22-155,231.73-88,705.02

Finding the Fourth Proportional to 112,616.22, 155,231.73 and 88,705.02

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Solution

The fourth proportional to 112,616.22, 155,231.73 and 88,705.02 is: 122,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,616.22 : 155,231.73 = 88,705.02 : x
  2. Step 2: Convert to fraction form
    112,616.22/155,231.73 = 88,705.02/x
  3. Step 3: Cross multiply
    112,616.22x = 155,231.73 × 88,705.02
  4. Step 4: Simplify right side
    112,616.22x = 13,769,833,714.28
  5. Step 5: Solve for x
    x = 13,769,833,714.28/112,616.22
  6. Step 6: Final answer
    x = 122,272.21

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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.