Home / 110,212.47-152,121.11-67,808.97

Finding the Fourth Proportional to 110,212.47, 152,121.11 and 67,808.97

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Solution

The fourth proportional to 110,212.47, 152,121.11 and 67,808.97 is: 93,593.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,212.47 : 152,121.11 = 67,808.97 : x
  2. Step 2: Convert to fraction form
    110,212.47/152,121.11 = 67,808.97/x
  3. Step 3: Cross multiply
    110,212.47x = 152,121.11 × 67,808.97
  4. Step 4: Simplify right side
    110,212.47x = 10,315,175,445.31
  5. Step 5: Solve for x
    x = 10,315,175,445.31/110,212.47
  6. Step 6: Final answer
    x = 93,593.54

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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.