Home / 133,622.56-184,422.87-79,913.47

Finding the Fourth Proportional to 133,622.56, 184,422.87 and 79,913.47

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Solution

The fourth proportional to 133,622.56, 184,422.87 and 79,913.47 is: 110,294.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,622.56 : 184,422.87 = 79,913.47 : x
  2. Step 2: Convert to fraction form
    133,622.56/184,422.87 = 79,913.47/x
  3. Step 3: Cross multiply
    133,622.56x = 184,422.87 × 79,913.47
  4. Step 4: Simplify right side
    133,622.56x = 14,737,871,489.06
  5. Step 5: Solve for x
    x = 14,737,871,489.06/133,622.56
  6. Step 6: Final answer
    x = 110,294.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.