Home / 185,556.80-278,213.70-73,169.30

Finding the Fourth Proportional to 185,556.80, 278,213.70 and 73,169.30

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Solution

The fourth proportional to 185,556.80, 278,213.70 and 73,169.30 is: 109,706.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,556.80 : 278,213.70 = 73,169.30 : x
  2. Step 2: Convert to fraction form
    185,556.80/278,213.70 = 73,169.30/x
  3. Step 3: Cross multiply
    185,556.80x = 278,213.70 × 73,169.30
  4. Step 4: Simplify right side
    185,556.80x = 20,356,701,679.41
  5. Step 5: Solve for x
    x = 20,356,701,679.41/185,556.80
  6. Step 6: Final answer
    x = 109,706.04

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1.5x scale

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.