Home / 159,119.36-219,590.35-87,504.83

Finding the Fourth Proportional to 159,119.36, 219,590.35 and 87,504.83

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Solution

The fourth proportional to 159,119.36, 219,590.35 and 87,504.83 is: 120,759.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,119.36 : 219,590.35 = 87,504.83 : x
  2. Step 2: Convert to fraction form
    159,119.36/219,590.35 = 87,504.83/x
  3. Step 3: Cross multiply
    159,119.36x = 219,590.35 × 87,504.83
  4. Step 4: Simplify right side
    159,119.36x = 19,215,214,929.68
  5. Step 5: Solve for x
    x = 19,215,214,929.68/159,119.36
  6. Step 6: Final answer
    x = 120,759.76

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1.5x scale

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.