Home / 159,177.33-219,660.12-87,557.34

Finding the Fourth Proportional to 159,177.33, 219,660.12 and 87,557.34

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Solution

The fourth proportional to 159,177.33, 219,660.12 and 87,557.34 is: 120,826.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,177.33 : 219,660.12 = 87,557.34 : x
  2. Step 2: Convert to fraction form
    159,177.33/219,660.12 = 87,557.34/x
  3. Step 3: Cross multiply
    159,177.33x = 219,660.12 × 87,557.34
  4. Step 4: Simplify right side
    159,177.33x = 19,232,855,811.28
  5. Step 5: Solve for x
    x = 19,232,855,811.28/159,177.33
  6. Step 6: Final answer
    x = 120,826.60

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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.