Home / 161,340.54-222,631.89-89,716.29

Finding the Fourth Proportional to 161,340.54, 222,631.89 and 89,716.29

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Solution

The fourth proportional to 161,340.54, 222,631.89 and 89,716.29 is: 123,798.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,340.54 : 222,631.89 = 89,716.29 : x
  2. Step 2: Convert to fraction form
    161,340.54/222,631.89 = 89,716.29/x
  3. Step 3: Cross multiply
    161,340.54x = 222,631.89 × 89,716.29
  4. Step 4: Simplify right side
    161,340.54x = 19,973,707,206.49
  5. Step 5: Solve for x
    x = 19,973,707,206.49/161,340.54
  6. Step 6: Final answer
    x = 123,798.44

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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.