Home / 110,209.68-152,105.99-67,214.12

Finding the Fourth Proportional to 110,209.68, 152,105.99 and 67,214.12

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Solution

The fourth proportional to 110,209.68, 152,105.99 and 67,214.12 is: 92,765.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,209.68 : 152,105.99 = 67,214.12 : x
  2. Step 2: Convert to fraction form
    110,209.68/152,105.99 = 67,214.12/x
  3. Step 3: Cross multiply
    110,209.68x = 152,105.99 × 67,214.12
  4. Step 4: Simplify right side
    110,209.68x = 10,223,670,023.57
  5. Step 5: Solve for x
    x = 10,223,670,023.57/110,209.68
  6. Step 6: Final answer
    x = 92,765.63

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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.