Home / 228,686.48-340,261.78-222,972.56

Finding the Fourth Proportional to 228,686.48, 340,261.78 and 222,972.56

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Solution

The fourth proportional to 228,686.48, 340,261.78 and 222,972.56 is: 331,760.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,686.48 : 340,261.78 = 222,972.56 : x
  2. Step 2: Convert to fraction form
    228,686.48/340,261.78 = 222,972.56/x
  3. Step 3: Cross multiply
    228,686.48x = 340,261.78 × 222,972.56
  4. Step 4: Simplify right side
    228,686.48x = 75,869,040,156.76
  5. Step 5: Solve for x
    x = 75,869,040,156.76/228,686.48
  6. Step 6: Final answer
    x = 331,760.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.