Home / 161,025.24-222,221.80-89,405.28

Finding the Fourth Proportional to 161,025.24, 222,221.80 and 89,405.28

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Solution

The fourth proportional to 161,025.24, 222,221.80 and 89,405.28 is: 123,383.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,025.24 : 222,221.80 = 89,405.28 : x
  2. Step 2: Convert to fraction form
    161,025.24/222,221.80 = 89,405.28/x
  3. Step 3: Cross multiply
    161,025.24x = 222,221.80 × 89,405.28
  4. Step 4: Simplify right side
    161,025.24x = 19,867,802,251.10
  5. Step 5: Solve for x
    x = 19,867,802,251.10/161,025.24
  6. Step 6: Final answer
    x = 123,383.16

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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.