Home / 160,217.94-221,102.20-88,602.78

Finding the Fourth Proportional to 160,217.94, 221,102.20 and 88,602.78

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Solution

The fourth proportional to 160,217.94, 221,102.20 and 88,602.78 is: 122,272.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,217.94 : 221,102.20 = 88,602.78 : x
  2. Step 2: Convert to fraction form
    160,217.94/221,102.20 = 88,602.78/x
  3. Step 3: Cross multiply
    160,217.94x = 221,102.20 × 88,602.78
  4. Step 4: Simplify right side
    160,217.94x = 19,590,269,584.12
  5. Step 5: Solve for x
    x = 19,590,269,584.12/160,217.94
  6. Step 6: Final answer
    x = 122,272.63

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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.