Home / 220,847.40-331,271.10-146,197.80

Finding the Fourth Proportional to 220,847.40, 331,271.10 and 146,197.80

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Solution

The fourth proportional to 220,847.40, 331,271.10 and 146,197.80 is: 219,296.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,847.40 : 331,271.10 = 146,197.80 : x
  2. Step 2: Convert to fraction form
    220,847.40/331,271.10 = 146,197.80/x
  3. Step 3: Cross multiply
    220,847.40x = 331,271.10 × 146,197.80
  4. Step 4: Simplify right side
    220,847.40x = 48,431,106,023.58
  5. Step 5: Solve for x
    x = 48,431,106,023.58/220,847.40
  6. Step 6: Final answer
    x = 219,296.70

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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.