Home / 112,618.22-155,234.49-88,707.02

Finding the Fourth Proportional to 112,618.22, 155,234.49 and 88,707.02

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Solution

The fourth proportional to 112,618.22, 155,234.49 and 88,707.02 is: 122,274.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,618.22 : 155,234.49 = 88,707.02 : x
  2. Step 2: Convert to fraction form
    112,618.22/155,234.49 = 88,707.02/x
  3. Step 3: Cross multiply
    112,618.22x = 155,234.49 × 88,707.02
  4. Step 4: Simplify right side
    112,618.22x = 13,770,389,009.12
  5. Step 5: Solve for x
    x = 13,770,389,009.12/112,618.22
  6. Step 6: Final answer
    x = 122,274.97

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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.