Home / 161,618.49-242,441.55-49,323.96

Finding the Fourth Proportional to 161,618.49, 242,441.55 and 49,323.96

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Solution

The fourth proportional to 161,618.49, 242,441.55 and 49,323.96 is: 73,990.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,618.49 : 242,441.55 = 49,323.96 : x
  2. Step 2: Convert to fraction form
    161,618.49/242,441.55 = 49,323.96/x
  3. Step 3: Cross multiply
    161,618.49x = 242,441.55 × 49,323.96
  4. Step 4: Simplify right side
    161,618.49x = 11,958,177,314.54
  5. Step 5: Solve for x
    x = 11,958,177,314.54/161,618.49
  6. Step 6: Final answer
    x = 73,990.16

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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.