Home / 159,094.48-219,556.04-87,479.96

Finding the Fourth Proportional to 159,094.48, 219,556.04 and 87,479.96

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Solution

The fourth proportional to 159,094.48, 219,556.04 and 87,479.96 is: 120,725.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,094.48 : 219,556.04 = 87,479.96 : x
  2. Step 2: Convert to fraction form
    159,094.48/219,556.04 = 87,479.96/x
  3. Step 3: Cross multiply
    159,094.48x = 219,556.04 × 87,479.96
  4. Step 4: Simplify right side
    159,094.48x = 19,206,753,596.96
  5. Step 5: Solve for x
    x = 19,206,753,596.96/159,094.48
  6. Step 6: Final answer
    x = 120,725.46

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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.