Home / 220,743.88-331,118.98-62,972.34

Finding the Fourth Proportional to 220,743.88, 331,118.98 and 62,972.34

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Solution

The fourth proportional to 220,743.88, 331,118.98 and 62,972.34 is: 94,459.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,743.88 : 331,118.98 = 62,972.34 : x
  2. Step 2: Convert to fraction form
    220,743.88/331,118.98 = 62,972.34/x
  3. Step 3: Cross multiply
    220,743.88x = 331,118.98 × 62,972.34
  4. Step 4: Simplify right side
    220,743.88x = 20,851,336,989.01
  5. Step 5: Solve for x
    x = 20,851,336,989.01/220,743.88
  6. Step 6: Final answer
    x = 94,459.41

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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.