Home / 111,132.30-166,698.45-48,802.80

Finding the Fourth Proportional to 111,132.30, 166,698.45 and 48,802.80

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Solution

The fourth proportional to 111,132.30, 166,698.45 and 48,802.80 is: 73,204.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,132.30 : 166,698.45 = 48,802.80 : x
  2. Step 2: Convert to fraction form
    111,132.30/166,698.45 = 48,802.80/x
  3. Step 3: Cross multiply
    111,132.30x = 166,698.45 × 48,802.80
  4. Step 4: Simplify right side
    111,132.30x = 8,135,351,115.66
  5. Step 5: Solve for x
    x = 8,135,351,115.66/111,132.30
  6. Step 6: Final answer
    x = 73,204.20

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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.