Home / 282,139.10-422,911.11-92,549.96

Finding the Fourth Proportional to 282,139.10, 422,911.11 and 92,549.96

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Solution

The fourth proportional to 282,139.10, 422,911.11 and 92,549.96 is: 138,727.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,139.10 : 422,911.11 = 92,549.96 : x
  2. Step 2: Convert to fraction form
    282,139.10/422,911.11 = 92,549.96/x
  3. Step 3: Cross multiply
    282,139.10x = 422,911.11 × 92,549.96
  4. Step 4: Simplify right side
    282,139.10x = 39,140,407,371.33
  5. Step 5: Solve for x
    x = 39,140,407,371.33/282,139.10
  6. Step 6: Final answer
    x = 138,727.34

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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.