Home / 147,201.76-220,258.32-88,078.24

Finding the Fourth Proportional to 147,201.76, 220,258.32 and 88,078.24

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Solution

The fourth proportional to 147,201.76, 220,258.32 and 88,078.24 is: 131,791.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,201.76 : 220,258.32 = 88,078.24 : x
  2. Step 2: Convert to fraction form
    147,201.76/220,258.32 = 88,078.24/x
  3. Step 3: Cross multiply
    147,201.76x = 220,258.32 × 88,078.24
  4. Step 4: Simplify right side
    147,201.76x = 19,399,965,170.96
  5. Step 5: Solve for x
    x = 19,399,965,170.96/147,201.76
  6. Step 6: Final answer
    x = 131,791.67

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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.