Home / 160,487.11-221,469.49-88,865.59

Finding the Fourth Proportional to 160,487.11, 221,469.49 and 88,865.59

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Solution

The fourth proportional to 160,487.11, 221,469.49 and 88,865.59 is: 122,633.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,487.11 : 221,469.49 = 88,865.59 : x
  2. Step 2: Convert to fraction form
    160,487.11/221,469.49 = 88,865.59/x
  3. Step 3: Cross multiply
    160,487.11x = 221,469.49 × 88,865.59
  4. Step 4: Simplify right side
    160,487.11x = 19,681,016,895.85
  5. Step 5: Solve for x
    x = 19,681,016,895.85/160,487.11
  6. Step 6: Final answer
    x = 122,633.01

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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.