Home / 161,974.39-242,933.91-43,618.05

Finding the Fourth Proportional to 161,974.39, 242,933.91 and 43,618.05

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Solution

The fourth proportional to 161,974.39, 242,933.91 and 43,618.05 is: 65,419.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,974.39 : 242,933.91 = 43,618.05 : x
  2. Step 2: Convert to fraction form
    161,974.39/242,933.91 = 43,618.05/x
  3. Step 3: Cross multiply
    161,974.39x = 242,933.91 × 43,618.05
  4. Step 4: Simplify right side
    161,974.39x = 10,596,303,214.99
  5. Step 5: Solve for x
    x = 10,596,303,214.99/161,974.39
  6. Step 6: Final answer
    x = 65,419.62

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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.