Home / 119,974.55-165,561.71-66,258.41

Finding the Fourth Proportional to 119,974.55, 165,561.71 and 66,258.41

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Solution

The fourth proportional to 119,974.55, 165,561.71 and 66,258.41 is: 91,434.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,974.55 : 165,561.71 = 66,258.41 : x
  2. Step 2: Convert to fraction form
    119,974.55/165,561.71 = 66,258.41/x
  3. Step 3: Cross multiply
    119,974.55x = 165,561.71 × 66,258.41
  4. Step 4: Simplify right side
    119,974.55x = 10,969,855,829.60
  5. Step 5: Solve for x
    x = 10,969,855,829.60/119,974.55
  6. Step 6: Final answer
    x = 91,434.86

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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.