Home / 112,480.97-168,721.43-103,094.60

Finding the Fourth Proportional to 112,480.97, 168,721.43 and 103,094.60

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Solution

The fourth proportional to 112,480.97, 168,721.43 and 103,094.60 is: 154,641.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,480.97 : 168,721.43 = 103,094.60 : x
  2. Step 2: Convert to fraction form
    112,480.97/168,721.43 = 103,094.60/x
  3. Step 3: Cross multiply
    112,480.97x = 168,721.43 × 103,094.60
  4. Step 4: Simplify right side
    112,480.97x = 17,394,266,978.20
  5. Step 5: Solve for x
    x = 17,394,266,978.20/112,480.97
  6. Step 6: Final answer
    x = 154,641.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.