Home / 152,619.20-228,953.28-73,739.60

Finding the Fourth Proportional to 152,619.20, 228,953.28 and 73,739.60

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Solution

The fourth proportional to 152,619.20, 228,953.28 and 73,739.60 is: 110,621.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,619.20 : 228,953.28 = 73,739.60 : x
  2. Step 2: Convert to fraction form
    152,619.20/228,953.28 = 73,739.60/x
  3. Step 3: Cross multiply
    152,619.20x = 228,953.28 × 73,739.60
  4. Step 4: Simplify right side
    152,619.20x = 16,882,923,285.89
  5. Step 5: Solve for x
    x = 16,882,923,285.89/152,619.20
  6. Step 6: Final answer
    x = 110,621.23

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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.