Home / 125,481.03-188,221.82-88,207.67

Finding the Fourth Proportional to 125,481.03, 188,221.82 and 88,207.67

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Solution

The fourth proportional to 125,481.03, 188,221.82 and 88,207.67 is: 132,311.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,481.03 : 188,221.82 = 88,207.67 : x
  2. Step 2: Convert to fraction form
    125,481.03/188,221.82 = 88,207.67/x
  3. Step 3: Cross multiply
    125,481.03x = 188,221.82 × 88,207.67
  4. Step 4: Simplify right side
    125,481.03x = 16,602,606,803.21
  5. Step 5: Solve for x
    x = 16,602,606,803.21/125,481.03
  6. Step 6: Final answer
    x = 132,311.69

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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.