Home / 220,154.86-330,163.14-93,793.78

Finding the Fourth Proportional to 220,154.86, 330,163.14 and 93,793.78

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Solution

The fourth proportional to 220,154.86, 330,163.14 and 93,793.78 is: 140,661.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,154.86 : 330,163.14 = 93,793.78 : x
  2. Step 2: Convert to fraction form
    220,154.86/330,163.14 = 93,793.78/x
  3. Step 3: Cross multiply
    220,154.86x = 330,163.14 × 93,793.78
  4. Step 4: Simplify right side
    220,154.86x = 30,967,248,917.27
  5. Step 5: Solve for x
    x = 30,967,248,917.27/220,154.86
  6. Step 6: Final answer
    x = 140,661.21

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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.