Home / 295,511.10-443,266.65-82,278.60

Finding the Fourth Proportional to 295,511.10, 443,266.65 and 82,278.60

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Solution

The fourth proportional to 295,511.10, 443,266.65 and 82,278.60 is: 123,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,511.10 : 443,266.65 = 82,278.60 : x
  2. Step 2: Convert to fraction form
    295,511.10/443,266.65 = 82,278.60/x
  3. Step 3: Cross multiply
    295,511.10x = 443,266.65 × 82,278.60
  4. Step 4: Simplify right side
    295,511.10x = 36,471,359,388.69
  5. Step 5: Solve for x
    x = 36,471,359,388.69/295,511.10
  6. Step 6: Final answer
    x = 123,417.90

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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.