Home / 151,942.20-228,059.10-77,146.80

Finding the Fourth Proportional to 151,942.20, 228,059.10 and 77,146.80

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Solution

The fourth proportional to 151,942.20, 228,059.10 and 77,146.80 is: 115,794.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,942.20 : 228,059.10 = 77,146.80 : x
  2. Step 2: Convert to fraction form
    151,942.20/228,059.10 = 77,146.80/x
  3. Step 3: Cross multiply
    151,942.20x = 228,059.10 × 77,146.80
  4. Step 4: Simplify right side
    151,942.20x = 17,594,029,775.88
  5. Step 5: Solve for x
    x = 17,594,029,775.88/151,942.20
  6. Step 6: Final answer
    x = 115,794.23

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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.