Home / 218,037.40-327,056.10-204,904.60

Finding the Fourth Proportional to 218,037.40, 327,056.10 and 204,904.60

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Solution

The fourth proportional to 218,037.40, 327,056.10 and 204,904.60 is: 307,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,037.40 : 327,056.10 = 204,904.60 : x
  2. Step 2: Convert to fraction form
    218,037.40/327,056.10 = 204,904.60/x
  3. Step 3: Cross multiply
    218,037.40x = 327,056.10 × 204,904.60
  4. Step 4: Simplify right side
    218,037.40x = 67,015,299,348.06
  5. Step 5: Solve for x
    x = 67,015,299,348.06/218,037.40
  6. Step 6: Final answer
    x = 307,356.90

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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.