Home / 221,194.17-331,790.22-69,402.36

Finding the Fourth Proportional to 221,194.17, 331,790.22 and 69,402.36

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Solution

The fourth proportional to 221,194.17, 331,790.22 and 69,402.36 is: 104,103.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,194.17 : 331,790.22 = 69,402.36 : x
  2. Step 2: Convert to fraction form
    221,194.17/331,790.22 = 69,402.36/x
  3. Step 3: Cross multiply
    221,194.17x = 331,790.22 × 69,402.36
  4. Step 4: Simplify right side
    221,194.17x = 23,027,025,537.13
  5. Step 5: Solve for x
    x = 23,027,025,537.13/221,194.17
  6. Step 6: Final answer
    x = 104,103.22

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1.5x scale

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.