Home / 160,137.25-220,989.47-88,517.26

Finding the Fourth Proportional to 160,137.25, 220,989.47 and 88,517.26

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Solution

The fourth proportional to 160,137.25, 220,989.47 and 88,517.26 is: 122,153.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,137.25 : 220,989.47 = 88,517.26 : x
  2. Step 2: Convert to fraction form
    160,137.25/220,989.47 = 88,517.26/x
  3. Step 3: Cross multiply
    160,137.25x = 220,989.47 × 88,517.26
  4. Step 4: Simplify right side
    160,137.25x = 19,561,380,963.84
  5. Step 5: Solve for x
    x = 19,561,380,963.84/160,137.25
  6. Step 6: Final answer
    x = 122,153.84

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1.5x scale

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.