Home / 220,975.20-331,462.80-96,559.20

Finding the Fourth Proportional to 220,975.20, 331,462.80 and 96,559.20

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Solution

The fourth proportional to 220,975.20, 331,462.80 and 96,559.20 is: 144,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,975.20 : 331,462.80 = 96,559.20 : x
  2. Step 2: Convert to fraction form
    220,975.20/331,462.80 = 96,559.20/x
  3. Step 3: Cross multiply
    220,975.20x = 331,462.80 × 96,559.20
  4. Step 4: Simplify right side
    220,975.20x = 32,005,782,797.76
  5. Step 5: Solve for x
    x = 32,005,782,797.76/220,975.20
  6. Step 6: Final answer
    x = 144,838.80

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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.