Home / 322,220.76-483,336-111,865.38

Finding the Fourth Proportional to 322,220.76, 483,336 and 111,865.38

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Solution

The fourth proportional to 322,220.76, 483,336 and 111,865.38 is: 167,799.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,220.76 : 483,336 = 111,865.38 : x
  2. Step 2: Convert to fraction form
    322,220.76/483,336 = 111,865.38/x
  3. Step 3: Cross multiply
    322,220.76x = 483,336 × 111,865.38
  4. Step 4: Simplify right side
    322,220.76x = 54,068,565,307.68
  5. Step 5: Solve for x
    x = 54,068,565,307.68/322,220.76
  6. Step 6: Final answer
    x = 167,799.76

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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.