Home / 159,522.54-220,150.89-87,902.52

Finding the Fourth Proportional to 159,522.54, 220,150.89 and 87,902.52

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Solution

The fourth proportional to 159,522.54, 220,150.89 and 87,902.52 is: 121,310.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,522.54 : 220,150.89 = 87,902.52 : x
  2. Step 2: Convert to fraction form
    159,522.54/220,150.89 = 87,902.52/x
  3. Step 3: Cross multiply
    159,522.54x = 220,150.89 × 87,902.52
  4. Step 4: Simplify right side
    159,522.54x = 19,351,818,011.24
  5. Step 5: Solve for x
    x = 19,351,818,011.24/159,522.54
  6. Step 6: Final answer
    x = 121,310.87

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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.