Home / 159,522.30-220,150.44-87,902.24

Finding the Fourth Proportional to 159,522.30, 220,150.44 and 87,902.24

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Solution

The fourth proportional to 159,522.30, 220,150.44 and 87,902.24 is: 121,310.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,522.30 : 220,150.44 = 87,902.24 : x
  2. Step 2: Convert to fraction form
    159,522.30/220,150.44 = 87,902.24/x
  3. Step 3: Cross multiply
    159,522.30x = 220,150.44 × 87,902.24
  4. Step 4: Simplify right side
    159,522.30x = 19,351,715,712.23
  5. Step 5: Solve for x
    x = 19,351,715,712.23/159,522.30
  6. Step 6: Final answer
    x = 121,310.41

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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.