Home / 222,766.85-307,389.93-127,279.73

Finding the Fourth Proportional to 222,766.85, 307,389.93 and 127,279.73

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Solution

The fourth proportional to 222,766.85, 307,389.93 and 127,279.73 is: 175,629.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,766.85 : 307,389.93 = 127,279.73 : x
  2. Step 2: Convert to fraction form
    222,766.85/307,389.93 = 127,279.73/x
  3. Step 3: Cross multiply
    222,766.85x = 307,389.93 × 127,279.73
  4. Step 4: Simplify right side
    222,766.85x = 39,124,507,295.12
  5. Step 5: Solve for x
    x = 39,124,507,295.12/222,766.85
  6. Step 6: Final answer
    x = 175,629.84

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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.