Home / 152,616.40-228,730.20-111,014.80

Finding the Fourth Proportional to 152,616.40, 228,730.20 and 111,014.80

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Solution

The fourth proportional to 152,616.40, 228,730.20 and 111,014.80 is: 166,380.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,616.40 : 228,730.20 = 111,014.80 : x
  2. Step 2: Convert to fraction form
    152,616.40/228,730.20 = 111,014.80/x
  3. Step 3: Cross multiply
    152,616.40x = 228,730.20 × 111,014.80
  4. Step 4: Simplify right side
    152,616.40x = 25,392,437,406.96
  5. Step 5: Solve for x
    x = 25,392,437,406.96/152,616.40
  6. Step 6: Final answer
    x = 166,380.79

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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.