Home / 152,229.22-228,482.34-81,212.07

Finding the Fourth Proportional to 152,229.22, 228,482.34 and 81,212.07

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Solution

The fourth proportional to 152,229.22, 228,482.34 and 81,212.07 is: 121,891.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,229.22 : 228,482.34 = 81,212.07 : x
  2. Step 2: Convert to fraction form
    152,229.22/228,482.34 = 81,212.07/x
  3. Step 3: Cross multiply
    152,229.22x = 228,482.34 × 81,212.07
  4. Step 4: Simplify right side
    152,229.22x = 18,555,522,647.43
  5. Step 5: Solve for x
    x = 18,555,522,647.43/152,229.22
  6. Step 6: Final answer
    x = 121,891.99

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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.