Home / 222,917.85-307,626.61-127,426.61

Finding the Fourth Proportional to 222,917.85, 307,626.61 and 127,426.61

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Solution

The fourth proportional to 222,917.85, 307,626.61 and 127,426.61 is: 175,848.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,917.85 : 307,626.61 = 127,426.61 : x
  2. Step 2: Convert to fraction form
    222,917.85/307,626.61 = 127,426.61/x
  3. Step 3: Cross multiply
    222,917.85x = 307,626.61 × 127,426.61
  4. Step 4: Simplify right side
    222,917.85x = 39,199,815,420.96
  5. Step 5: Solve for x
    x = 39,199,815,420.96/222,917.85
  6. Step 6: Final answer
    x = 175,848.71

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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.