Home / 269,421.22-371,928.81-156,202.66

Finding the Fourth Proportional to 269,421.22, 371,928.81 and 156,202.66

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Solution

The fourth proportional to 269,421.22, 371,928.81 and 156,202.66 is: 215,633.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,421.22 : 371,928.81 = 156,202.66 : x
  2. Step 2: Convert to fraction form
    269,421.22/371,928.81 = 156,202.66/x
  3. Step 3: Cross multiply
    269,421.22x = 371,928.81 × 156,202.66
  4. Step 4: Simplify right side
    269,421.22x = 58,096,269,452.63
  5. Step 5: Solve for x
    x = 58,096,269,452.63/269,421.22
  6. Step 6: Final answer
    x = 215,633.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.