Home / 161,743.20-242,658.47-49,420.33

Finding the Fourth Proportional to 161,743.20, 242,658.47 and 49,420.33

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Solution

The fourth proportional to 161,743.20, 242,658.47 and 49,420.33 is: 74,143.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,743.20 : 242,658.47 = 49,420.33 : x
  2. Step 2: Convert to fraction form
    161,743.20/242,658.47 = 49,420.33/x
  3. Step 3: Cross multiply
    161,743.20x = 242,658.47 × 49,420.33
  4. Step 4: Simplify right side
    161,743.20x = 11,992,262,268.56
  5. Step 5: Solve for x
    x = 11,992,262,268.56/161,743.20
  6. Step 6: Final answer
    x = 74,143.84

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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.