Home / 123,157.72-184,761.60-38,931.04

Finding the Fourth Proportional to 123,157.72, 184,761.60 and 38,931.04

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Solution

The fourth proportional to 123,157.72, 184,761.60 and 38,931.04 is: 58,404.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,157.72 : 184,761.60 = 38,931.04 : x
  2. Step 2: Convert to fraction form
    123,157.72/184,761.60 = 38,931.04/x
  3. Step 3: Cross multiply
    123,157.72x = 184,761.60 × 38,931.04
  4. Step 4: Simplify right side
    123,157.72x = 7,192,961,240.06
  5. Step 5: Solve for x
    x = 7,192,961,240.06/123,157.72
  6. Step 6: Final answer
    x = 58,404.47

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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.