Home / 161,611.20-242,382.24-50,742.72

Finding the Fourth Proportional to 161,611.20, 242,382.24 and 50,742.72

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Solution

The fourth proportional to 161,611.20, 242,382.24 and 50,742.72 is: 76,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,611.20 : 242,382.24 = 50,742.72 : x
  2. Step 2: Convert to fraction form
    161,611.20/242,382.24 = 50,742.72/x
  3. Step 3: Cross multiply
    161,611.20x = 242,382.24 × 50,742.72
  4. Step 4: Simplify right side
    161,611.20x = 12,299,134,137.29
  5. Step 5: Solve for x
    x = 12,299,134,137.29/161,611.20
  6. Step 6: Final answer
    x = 76,103.23

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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.