Home / 159,556.76-220,261.09-113,645.96

Finding the Fourth Proportional to 159,556.76, 220,261.09 and 113,645.96

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Solution

The fourth proportional to 159,556.76, 220,261.09 and 113,645.96 is: 156,883.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,556.76 : 220,261.09 = 113,645.96 : x
  2. Step 2: Convert to fraction form
    159,556.76/220,261.09 = 113,645.96/x
  3. Step 3: Cross multiply
    159,556.76x = 220,261.09 × 113,645.96
  4. Step 4: Simplify right side
    159,556.76x = 25,031,782,677.34
  5. Step 5: Solve for x
    x = 25,031,782,677.34/159,556.76
  6. Step 6: Final answer
    x = 156,883.25

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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.