Home / 204,568.16-306,900.50-64,326.78

Finding the Fourth Proportional to 204,568.16, 306,900.50 and 64,326.78

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Solution

The fourth proportional to 204,568.16, 306,900.50 and 64,326.78 is: 96,505.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,568.16 : 306,900.50 = 64,326.78 : x
  2. Step 2: Convert to fraction form
    204,568.16/306,900.50 = 64,326.78/x
  3. Step 3: Cross multiply
    204,568.16x = 306,900.50 × 64,326.78
  4. Step 4: Simplify right side
    204,568.16x = 19,741,920,623.76
  5. Step 5: Solve for x
    x = 19,741,920,623.76/204,568.16
  6. Step 6: Final answer
    x = 96,505.35

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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.