Home / 112,498.40-168,553.20-92,669.60

Finding the Fourth Proportional to 112,498.40, 168,553.20 and 92,669.60

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Solution

The fourth proportional to 112,498.40, 168,553.20 and 92,669.60 is: 138,844.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,498.40 : 168,553.20 = 92,669.60 : x
  2. Step 2: Convert to fraction form
    112,498.40/168,553.20 = 92,669.60/x
  3. Step 3: Cross multiply
    112,498.40x = 168,553.20 × 92,669.60
  4. Step 4: Simplify right side
    112,498.40x = 15,619,757,622.72
  5. Step 5: Solve for x
    x = 15,619,757,622.72/112,498.40
  6. Step 6: Final answer
    x = 138,844.26

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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.