Home / 159,092.07-219,545.08-87,471.46

Finding the Fourth Proportional to 159,092.07, 219,545.08 and 87,471.46

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Solution

The fourth proportional to 159,092.07, 219,545.08 and 87,471.46 is: 120,709.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,092.07 : 219,545.08 = 87,471.46 : x
  2. Step 2: Convert to fraction form
    159,092.07/219,545.08 = 87,471.46/x
  3. Step 3: Cross multiply
    159,092.07x = 219,545.08 × 87,471.46
  4. Step 4: Simplify right side
    159,092.07x = 19,203,929,231.20
  5. Step 5: Solve for x
    x = 19,203,929,231.20/159,092.07
  6. Step 6: Final answer
    x = 120,709.53

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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.