Home / 218,577.58-327,636.64-100,151.53

Finding the Fourth Proportional to 218,577.58, 327,636.64 and 100,151.53

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Solution

The fourth proportional to 218,577.58, 327,636.64 and 100,151.53 is: 150,122.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,577.58 : 327,636.64 = 100,151.53 : x
  2. Step 2: Convert to fraction form
    218,577.58/327,636.64 = 100,151.53/x
  3. Step 3: Cross multiply
    218,577.58x = 327,636.64 × 100,151.53
  4. Step 4: Simplify right side
    218,577.58x = 32,813,310,780.06
  5. Step 5: Solve for x
    x = 32,813,310,780.06/218,577.58
  6. Step 6: Final answer
    x = 150,122.03

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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.