Home / 133,712.19-184,517.06-79,965.45

Finding the Fourth Proportional to 133,712.19, 184,517.06 and 79,965.45

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Solution

The fourth proportional to 133,712.19, 184,517.06 and 79,965.45 is: 110,348.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,712.19 : 184,517.06 = 79,965.45 : x
  2. Step 2: Convert to fraction form
    133,712.19/184,517.06 = 79,965.45/x
  3. Step 3: Cross multiply
    133,712.19x = 184,517.06 × 79,965.45
  4. Step 4: Simplify right side
    133,712.19x = 14,754,989,335.75
  5. Step 5: Solve for x
    x = 14,754,989,335.75/133,712.19
  6. Step 6: Final answer
    x = 110,348.87

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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.