Home / 112,586.22-155,190.33-88,675.02

Finding the Fourth Proportional to 112,586.22, 155,190.33 and 88,675.02

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Solution

The fourth proportional to 112,586.22, 155,190.33 and 88,675.02 is: 122,230.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,586.22 : 155,190.33 = 88,675.02 : x
  2. Step 2: Convert to fraction form
    112,586.22/155,190.33 = 88,675.02/x
  3. Step 3: Cross multiply
    112,586.22x = 155,190.33 × 88,675.02
  4. Step 4: Simplify right side
    112,586.22x = 13,761,505,616.56
  5. Step 5: Solve for x
    x = 13,761,505,616.56/112,586.22
  6. Step 6: Final answer
    x = 122,230.82

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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.