Home / 160,170.42-221,024.34-88,540.77

Finding the Fourth Proportional to 160,170.42, 221,024.34 and 88,540.77

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Solution

The fourth proportional to 160,170.42, 221,024.34 and 88,540.77 is: 122,180.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,170.42 : 221,024.34 = 88,540.77 : x
  2. Step 2: Convert to fraction form
    160,170.42/221,024.34 = 88,540.77/x
  3. Step 3: Cross multiply
    160,170.42x = 221,024.34 × 88,540.77
  4. Step 4: Simplify right side
    160,170.42x = 19,569,665,252.34
  5. Step 5: Solve for x
    x = 19,569,665,252.34/160,170.42
  6. Step 6: Final answer
    x = 122,180.27

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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.