Home / 160,890.36-222,025.29-89,268.84

Finding the Fourth Proportional to 160,890.36, 222,025.29 and 89,268.84

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Solution

The fourth proportional to 160,890.36, 222,025.29 and 89,268.84 is: 123,189.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,890.36 : 222,025.29 = 89,268.84 : x
  2. Step 2: Convert to fraction form
    160,890.36/222,025.29 = 89,268.84/x
  3. Step 3: Cross multiply
    160,890.36x = 222,025.29 × 89,268.84
  4. Step 4: Simplify right side
    160,890.36x = 19,819,940,088.96
  5. Step 5: Solve for x
    x = 19,819,940,088.96/160,890.36
  6. Step 6: Final answer
    x = 123,189.11

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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.