Home / 117,427.15-176,172.51-83,735.73

Finding the Fourth Proportional to 117,427.15, 176,172.51 and 83,735.73

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Solution

The fourth proportional to 117,427.15, 176,172.51 and 83,735.73 is: 125,626.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,427.15 : 176,172.51 = 83,735.73 : x
  2. Step 2: Convert to fraction form
    117,427.15/176,172.51 = 83,735.73/x
  3. Step 3: Cross multiply
    117,427.15x = 176,172.51 × 83,735.73
  4. Step 4: Simplify right side
    117,427.15x = 14,751,933,951.51
  5. Step 5: Solve for x
    x = 14,751,933,951.51/117,427.15
  6. Step 6: Final answer
    x = 125,626.26

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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.