Home / 297,851.14-411,037.72-161,885.10

Finding the Fourth Proportional to 297,851.14, 411,037.72 and 161,885.10

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Solution

The fourth proportional to 297,851.14, 411,037.72 and 161,885.10 is: 223,403.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,851.14 : 411,037.72 = 161,885.10 : x
  2. Step 2: Convert to fraction form
    297,851.14/411,037.72 = 161,885.10/x
  3. Step 3: Cross multiply
    297,851.14x = 411,037.72 × 161,885.10
  4. Step 4: Simplify right side
    297,851.14x = 66,540,882,405.97
  5. Step 5: Solve for x
    x = 66,540,882,405.97/297,851.14
  6. Step 6: Final answer
    x = 223,403.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.