Home / 161,226.68-222,491.22-89,605.17

Finding the Fourth Proportional to 161,226.68, 222,491.22 and 89,605.17

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Solution

The fourth proportional to 161,226.68, 222,491.22 and 89,605.17 is: 123,654.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,226.68 : 222,491.22 = 89,605.17 : x
  2. Step 2: Convert to fraction form
    161,226.68/222,491.22 = 89,605.17/x
  3. Step 3: Cross multiply
    161,226.68x = 222,491.22 × 89,605.17
  4. Step 4: Simplify right side
    161,226.68x = 19,936,362,031.13
  5. Step 5: Solve for x
    x = 19,936,362,031.13/161,226.68
  6. Step 6: Final answer
    x = 123,654.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.