Home / 222,998.77-307,740.53-121,025.14

Finding the Fourth Proportional to 222,998.77, 307,740.53 and 121,025.14

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Solution

The fourth proportional to 222,998.77, 307,740.53 and 121,025.14 is: 167,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,998.77 : 307,740.53 = 121,025.14 : x
  2. Step 2: Convert to fraction form
    222,998.77/307,740.53 = 121,025.14/x
  3. Step 3: Cross multiply
    222,998.77x = 307,740.53 × 121,025.14
  4. Step 4: Simplify right side
    222,998.77x = 37,244,340,260.14
  5. Step 5: Solve for x
    x = 37,244,340,260.14/222,998.77
  6. Step 6: Final answer
    x = 167,015.90

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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.