Home / 160,169.20-221,028.24-88,539.48

Finding the Fourth Proportional to 160,169.20, 221,028.24 and 88,539.48

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Solution

The fourth proportional to 160,169.20, 221,028.24 and 88,539.48 is: 122,181.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,169.20 : 221,028.24 = 88,539.48 : x
  2. Step 2: Convert to fraction form
    160,169.20/221,028.24 = 88,539.48/x
  3. Step 3: Cross multiply
    160,169.20x = 221,028.24 × 88,539.48
  4. Step 4: Simplify right side
    160,169.20x = 19,569,725,766.94
  5. Step 5: Solve for x
    x = 19,569,725,766.94/160,169.20
  6. Step 6: Final answer
    x = 122,181.58

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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.