Home / 111,144.04-166,358.08-73,224.62

Finding the Fourth Proportional to 111,144.04, 166,358.08 and 73,224.62

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Solution

The fourth proportional to 111,144.04, 166,358.08 and 73,224.62 is: 109,601.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,144.04 : 166,358.08 = 73,224.62 : x
  2. Step 2: Convert to fraction form
    111,144.04/166,358.08 = 73,224.62/x
  3. Step 3: Cross multiply
    111,144.04x = 166,358.08 × 73,224.62
  4. Step 4: Simplify right side
    111,144.04x = 12,181,506,469.32
  5. Step 5: Solve for x
    x = 12,181,506,469.32/111,144.04
  6. Step 6: Final answer
    x = 109,601.08

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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.