Home / 220,852.40-331,270.76-71,102.84

Finding the Fourth Proportional to 220,852.40, 331,270.76 and 71,102.84

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Solution

The fourth proportional to 220,852.40, 331,270.76 and 71,102.84 is: 106,651.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,852.40 : 331,270.76 = 71,102.84 : x
  2. Step 2: Convert to fraction form
    220,852.40/331,270.76 = 71,102.84/x
  3. Step 3: Cross multiply
    220,852.40x = 331,270.76 × 71,102.84
  4. Step 4: Simplify right side
    220,852.40x = 23,554,291,844.96
  5. Step 5: Solve for x
    x = 23,554,291,844.96/220,852.40
  6. Step 6: Final answer
    x = 106,651.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.