Home / 222,917.10-307,625.57-127,425.86

Finding the Fourth Proportional to 222,917.10, 307,625.57 and 127,425.86

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Solution

The fourth proportional to 222,917.10, 307,625.57 and 127,425.86 is: 175,847.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,917.10 : 307,625.57 = 127,425.86 : x
  2. Step 2: Convert to fraction form
    222,917.10/307,625.57 = 127,425.86/x
  3. Step 3: Cross multiply
    222,917.10x = 307,625.57 × 127,425.86
  4. Step 4: Simplify right side
    222,917.10x = 39,199,452,815.24
  5. Step 5: Solve for x
    x = 39,199,452,815.24/222,917.10
  6. Step 6: Final answer
    x = 175,847.67

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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.