Home / 281,732.11-422,592.02-68,501.16

Finding the Fourth Proportional to 281,732.11, 422,592.02 and 68,501.16

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Solution

The fourth proportional to 281,732.11, 422,592.02 and 68,501.16 is: 102,750.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,732.11 : 422,592.02 = 68,501.16 : x
  2. Step 2: Convert to fraction form
    281,732.11/422,592.02 = 68,501.16/x
  3. Step 3: Cross multiply
    281,732.11x = 422,592.02 × 68,501.16
  4. Step 4: Simplify right side
    281,732.11x = 28,948,043,491.12
  5. Step 5: Solve for x
    x = 28,948,043,491.12/281,732.11
  6. Step 6: Final answer
    x = 102,750.25

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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.