Home / 112,880.24-155,743.20-88,932.68

Finding the Fourth Proportional to 112,880.24, 155,743.20 and 88,932.68

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Solution

The fourth proportional to 112,880.24, 155,743.20 and 88,932.68 is: 122,702.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,880.24 : 155,743.20 = 88,932.68 : x
  2. Step 2: Convert to fraction form
    112,880.24/155,743.20 = 88,932.68/x
  3. Step 3: Cross multiply
    112,880.24x = 155,743.20 × 88,932.68
  4. Step 4: Simplify right side
    112,880.24x = 13,850,660,167.78
  5. Step 5: Solve for x
    x = 13,850,660,167.78/112,880.24
  6. Step 6: Final answer
    x = 122,702.26

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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.