Home / 123,170.38-184,395.70-111,351.46

Finding the Fourth Proportional to 123,170.38, 184,395.70 and 111,351.46

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Solution

The fourth proportional to 123,170.38, 184,395.70 and 111,351.46 is: 166,701.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,170.38 : 184,395.70 = 111,351.46 : x
  2. Step 2: Convert to fraction form
    123,170.38/184,395.70 = 111,351.46/x
  3. Step 3: Cross multiply
    123,170.38x = 184,395.70 × 111,351.46
  4. Step 4: Simplify right side
    123,170.38x = 20,532,730,412.72
  5. Step 5: Solve for x
    x = 20,532,730,412.72/123,170.38
  6. Step 6: Final answer
    x = 166,701.85

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1.5x scale

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.