Home / 161,228.13-222,493.17-89,606.70

Finding the Fourth Proportional to 161,228.13, 222,493.17 and 89,606.70

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Solution

The fourth proportional to 161,228.13, 222,493.17 and 89,606.70 is: 123,656.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,228.13 : 222,493.17 = 89,606.70 : x
  2. Step 2: Convert to fraction form
    161,228.13/222,493.17 = 89,606.70/x
  3. Step 3: Cross multiply
    161,228.13x = 222,493.17 × 89,606.70
  4. Step 4: Simplify right side
    161,228.13x = 19,936,878,736.24
  5. Step 5: Solve for x
    x = 19,936,878,736.24/161,228.13
  6. Step 6: Final answer
    x = 123,656.33

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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.