Home / 154,933.64-231,902.23-79,951.66

Finding the Fourth Proportional to 154,933.64, 231,902.23 and 79,951.66

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Solution

The fourth proportional to 154,933.64, 231,902.23 and 79,951.66 is: 119,670.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,933.64 : 231,902.23 = 79,951.66 : x
  2. Step 2: Convert to fraction form
    154,933.64/231,902.23 = 79,951.66/x
  3. Step 3: Cross multiply
    154,933.64x = 231,902.23 × 79,951.66
  4. Step 4: Simplify right side
    154,933.64x = 18,540,967,466.57
  5. Step 5: Solve for x
    x = 18,540,967,466.57/154,933.64
  6. Step 6: Final answer
    x = 119,670.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.