Home / 123,161.28-184,742-29,667.12

Finding the Fourth Proportional to 123,161.28, 184,742 and 29,667.12

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Solution

The fourth proportional to 123,161.28, 184,742 and 29,667.12 is: 44,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,161.28 : 184,742 = 29,667.12 : x
  2. Step 2: Convert to fraction form
    123,161.28/184,742 = 29,667.12/x
  3. Step 3: Cross multiply
    123,161.28x = 184,742 × 29,667.12
  4. Step 4: Simplify right side
    123,161.28x = 5,480,763,083.04
  5. Step 5: Solve for x
    x = 5,480,763,083.04/123,161.28
  6. Step 6: Final answer
    x = 44,500.70

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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.