Home / 119,731.56-165,236.91-66,016.41

Finding the Fourth Proportional to 119,731.56, 165,236.91 and 66,016.41

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Solution

The fourth proportional to 119,731.56, 165,236.91 and 66,016.41 is: 91,106.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,731.56 : 165,236.91 = 66,016.41 : x
  2. Step 2: Convert to fraction form
    119,731.56/165,236.91 = 66,016.41/x
  3. Step 3: Cross multiply
    119,731.56x = 165,236.91 × 66,016.41
  4. Step 4: Simplify right side
    119,731.56x = 10,908,347,597.69
  5. Step 5: Solve for x
    x = 10,908,347,597.69/119,731.56
  6. Step 6: Final answer
    x = 91,106.70

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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.