Home / 119,865.22-179,908.26-60,742.78

Finding the Fourth Proportional to 119,865.22, 179,908.26 and 60,742.78

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Solution

The fourth proportional to 119,865.22, 179,908.26 and 60,742.78 is: 91,170.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,865.22 : 179,908.26 = 60,742.78 : x
  2. Step 2: Convert to fraction form
    119,865.22/179,908.26 = 60,742.78/x
  3. Step 3: Cross multiply
    119,865.22x = 179,908.26 × 60,742.78
  4. Step 4: Simplify right side
    119,865.22x = 10,928,127,857.36
  5. Step 5: Solve for x
    x = 10,928,127,857.36/119,865.22
  6. Step 6: Final answer
    x = 91,170.13

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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.