Home / 161,716.70-242,618.80-91,645.22

Finding the Fourth Proportional to 161,716.70, 242,618.80 and 91,645.22

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Solution

The fourth proportional to 161,716.70, 242,618.80 and 91,645.22 is: 137,492.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,716.70 : 242,618.80 = 91,645.22 : x
  2. Step 2: Convert to fraction form
    161,716.70/242,618.80 = 91,645.22/x
  3. Step 3: Cross multiply
    161,716.70x = 242,618.80 × 91,645.22
  4. Step 4: Simplify right side
    161,716.70x = 22,234,853,302.14
  5. Step 5: Solve for x
    x = 22,234,853,302.14/161,716.70
  6. Step 6: Final answer
    x = 137,492.62

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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.