Home / 218,733.84-327,844.80-100,416.60

Finding the Fourth Proportional to 218,733.84, 327,844.80 and 100,416.60

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Solution

The fourth proportional to 218,733.84, 327,844.80 and 100,416.60 is: 150,507.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,733.84 : 327,844.80 = 100,416.60 : x
  2. Step 2: Convert to fraction form
    218,733.84/327,844.80 = 100,416.60/x
  3. Step 3: Cross multiply
    218,733.84x = 327,844.80 × 100,416.60
  4. Step 4: Simplify right side
    218,733.84x = 32,921,060,143.68
  5. Step 5: Solve for x
    x = 32,921,060,143.68/218,733.84
  6. Step 6: Final answer
    x = 150,507.39

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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.