Home / 154,104.54-212,611.23-113,902.62

Finding the Fourth Proportional to 154,104.54, 212,611.23 and 113,902.62

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Solution

The fourth proportional to 154,104.54, 212,611.23 and 113,902.62 is: 157,146.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,104.54 : 212,611.23 = 113,902.62 : x
  2. Step 2: Convert to fraction form
    154,104.54/212,611.23 = 113,902.62/x
  3. Step 3: Cross multiply
    154,104.54x = 212,611.23 × 113,902.62
  4. Step 4: Simplify right side
    154,104.54x = 24,216,976,138.42
  5. Step 5: Solve for x
    x = 24,216,976,138.42/154,104.54
  6. Step 6: Final answer
    x = 157,146.42

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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.