Home / 161,743.22-242,651.76-49,439.42

Finding the Fourth Proportional to 161,743.22, 242,651.76 and 49,439.42

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Solution

The fourth proportional to 161,743.22, 242,651.76 and 49,439.42 is: 74,170.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,743.22 : 242,651.76 = 49,439.42 : x
  2. Step 2: Convert to fraction form
    161,743.22/242,651.76 = 49,439.42/x
  3. Step 3: Cross multiply
    161,743.22x = 242,651.76 × 49,439.42
  4. Step 4: Simplify right side
    161,743.22x = 11,996,562,276.38
  5. Step 5: Solve for x
    x = 11,996,562,276.38/161,743.22
  6. Step 6: Final answer
    x = 74,170.42

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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.