Home / 221,427.64-332,194.17-71,667.94

Finding the Fourth Proportional to 221,427.64, 332,194.17 and 71,667.94

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Solution

The fourth proportional to 221,427.64, 332,194.17 and 71,667.94 is: 107,518.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,427.64 : 332,194.17 = 71,667.94 : x
  2. Step 2: Convert to fraction form
    221,427.64/332,194.17 = 71,667.94/x
  3. Step 3: Cross multiply
    221,427.64x = 332,194.17 × 71,667.94
  4. Step 4: Simplify right side
    221,427.64x = 23,807,671,843.91
  5. Step 5: Solve for x
    x = 23,807,671,843.91/221,427.64
  6. Step 6: Final answer
    x = 107,518.97

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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.