Home / 222,961.43-307,599.19-127,416.87

Finding the Fourth Proportional to 222,961.43, 307,599.19 and 127,416.87

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Solution

The fourth proportional to 222,961.43, 307,599.19 and 127,416.87 is: 175,785.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,961.43 : 307,599.19 = 127,416.87 : x
  2. Step 2: Convert to fraction form
    222,961.43/307,599.19 = 127,416.87/x
  3. Step 3: Cross multiply
    222,961.43x = 307,599.19 × 127,416.87
  4. Step 4: Simplify right side
    222,961.43x = 39,193,325,685.79
  5. Step 5: Solve for x
    x = 39,193,325,685.79/222,961.43
  6. Step 6: Final answer
    x = 175,785.23

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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.