Home / 222,778.17-307,325.21-127,259.73

Finding the Fourth Proportional to 222,778.17, 307,325.21 and 127,259.73

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Solution

The fourth proportional to 222,778.17, 307,325.21 and 127,259.73 is: 175,556.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,778.17 : 307,325.21 = 127,259.73 : x
  2. Step 2: Convert to fraction form
    222,778.17/307,325.21 = 127,259.73/x
  3. Step 3: Cross multiply
    222,778.17x = 307,325.21 × 127,259.73
  4. Step 4: Simplify right side
    222,778.17x = 39,110,122,610.49
  5. Step 5: Solve for x
    x = 39,110,122,610.49/222,778.17
  6. Step 6: Final answer
    x = 175,556.35

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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.