Home / 123,288.31-184,572.14-111,469.30

Finding the Fourth Proportional to 123,288.31, 184,572.14 and 111,469.30

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Solution

The fourth proportional to 123,288.31, 184,572.14 and 111,469.30 is: 166,878.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,288.31 : 184,572.14 = 111,469.30 : x
  2. Step 2: Convert to fraction form
    123,288.31/184,572.14 = 111,469.30/x
  3. Step 3: Cross multiply
    123,288.31x = 184,572.14 × 111,469.30
  4. Step 4: Simplify right side
    123,288.31x = 20,574,126,226.53
  5. Step 5: Solve for x
    x = 20,574,126,226.53/123,288.31
  6. Step 6: Final answer
    x = 166,878.16

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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.