Home / 161,092.70-222,301.78-89,477.32

Finding the Fourth Proportional to 161,092.70, 222,301.78 and 89,477.32

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Solution

The fourth proportional to 161,092.70, 222,301.78 and 89,477.32 is: 123,475.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,092.70 : 222,301.78 = 89,477.32 : x
  2. Step 2: Convert to fraction form
    161,092.70/222,301.78 = 89,477.32/x
  3. Step 3: Cross multiply
    161,092.70x = 222,301.78 × 89,477.32
  4. Step 4: Simplify right side
    161,092.70x = 19,890,967,505.63
  5. Step 5: Solve for x
    x = 19,890,967,505.63/161,092.70
  6. Step 6: Final answer
    x = 123,475.29

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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.