Home / 222,778.37-307,450.42-127,283.02

Finding the Fourth Proportional to 222,778.37, 307,450.42 and 127,283.02

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Solution

The fourth proportional to 222,778.37, 307,450.42 and 127,283.02 is: 175,659.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,778.37 : 307,450.42 = 127,283.02 : x
  2. Step 2: Convert to fraction form
    222,778.37/307,450.42 = 127,283.02/x
  3. Step 3: Cross multiply
    222,778.37x = 307,450.42 × 127,283.02
  4. Step 4: Simplify right side
    222,778.37x = 39,133,216,871.03
  5. Step 5: Solve for x
    x = 39,133,216,871.03/222,778.37
  6. Step 6: Final answer
    x = 175,659.86

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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.