Home / 111,202.30-166,803.45-48,872.80

Finding the Fourth Proportional to 111,202.30, 166,803.45 and 48,872.80

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Solution

The fourth proportional to 111,202.30, 166,803.45 and 48,872.80 is: 73,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,202.30 : 166,803.45 = 48,872.80 : x
  2. Step 2: Convert to fraction form
    111,202.30/166,803.45 = 48,872.80/x
  3. Step 3: Cross multiply
    111,202.30x = 166,803.45 × 48,872.80
  4. Step 4: Simplify right side
    111,202.30x = 8,152,151,651.16
  5. Step 5: Solve for x
    x = 8,152,151,651.16/111,202.30
  6. Step 6: Final answer
    x = 73,309.20

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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.