Home / 140,116.92-193,365.60-79,696.26

Finding the Fourth Proportional to 140,116.92, 193,365.60 and 79,696.26

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Solution

The fourth proportional to 140,116.92, 193,365.60 and 79,696.26 is: 109,983.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,116.92 : 193,365.60 = 79,696.26 : x
  2. Step 2: Convert to fraction form
    140,116.92/193,365.60 = 79,696.26/x
  3. Step 3: Cross multiply
    140,116.92x = 193,365.60 × 79,696.26
  4. Step 4: Simplify right side
    140,116.92x = 15,410,515,132.66
  5. Step 5: Solve for x
    x = 15,410,515,132.66/140,116.92
  6. Step 6: Final answer
    x = 109,983.26

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1.5x scale

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.