Home / 133,405.74-184,099.68-79,722.18

Finding the Fourth Proportional to 133,405.74, 184,099.68 and 79,722.18

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Solution

The fourth proportional to 133,405.74, 184,099.68 and 79,722.18 is: 110,016.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,405.74 : 184,099.68 = 79,722.18 : x
  2. Step 2: Convert to fraction form
    133,405.74/184,099.68 = 79,722.18/x
  3. Step 3: Cross multiply
    133,405.74x = 184,099.68 × 79,722.18
  4. Step 4: Simplify right side
    133,405.74x = 14,676,827,826.90
  5. Step 5: Solve for x
    x = 14,676,827,826.90/133,405.74
  6. Step 6: Final answer
    x = 110,016.46

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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.