Home / 133,674-184,470.12-79,961.28

Finding the Fourth Proportional to 133,674, 184,470.12 and 79,961.28

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Solution

The fourth proportional to 133,674, 184,470.12 and 79,961.28 is: 110,346.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,674 : 184,470.12 = 79,961.28 : x
  2. Step 2: Convert to fraction form
    133,674/184,470.12 = 79,961.28/x
  3. Step 3: Cross multiply
    133,674x = 184,470.12 × 79,961.28
  4. Step 4: Simplify right side
    133,674x = 14,750,466,916.95
  5. Step 5: Solve for x
    x = 14,750,466,916.95/133,674
  6. Step 6: Final answer
    x = 110,346.57

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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.