Home / 152,014.68-228,119.94-81,942.84

Finding the Fourth Proportional to 152,014.68, 228,119.94 and 81,942.84

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Solution

The fourth proportional to 152,014.68, 228,119.94 and 81,942.84 is: 122,967.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,014.68 : 228,119.94 = 81,942.84 : x
  2. Step 2: Convert to fraction form
    152,014.68/228,119.94 = 81,942.84/x
  3. Step 3: Cross multiply
    152,014.68x = 228,119.94 × 81,942.84
  4. Step 4: Simplify right side
    152,014.68x = 18,692,795,744.23
  5. Step 5: Solve for x
    x = 18,692,795,744.23/152,014.68
  6. Step 6: Final answer
    x = 122,967.04

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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.