Home / 222,777.60-307,449.39-127,282.25

Finding the Fourth Proportional to 222,777.60, 307,449.39 and 127,282.25

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Solution

The fourth proportional to 222,777.60, 307,449.39 and 127,282.25 is: 175,658.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,777.60 : 307,449.39 = 127,282.25 : x
  2. Step 2: Convert to fraction form
    222,777.60/307,449.39 = 127,282.25/x
  3. Step 3: Cross multiply
    222,777.60x = 307,449.39 × 127,282.25
  4. Step 4: Simplify right side
    222,777.60x = 39,132,848,583.08
  5. Step 5: Solve for x
    x = 39,132,848,583.08/222,777.60
  6. Step 6: Final answer
    x = 175,658.81

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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.