Home / 159,535.37-220,160.27-87,917.96

Finding the Fourth Proportional to 159,535.37, 220,160.27 and 87,917.96

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Solution

The fourth proportional to 159,535.37, 220,160.27 and 87,917.96 is: 121,327.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,535.37 : 220,160.27 = 87,917.96 : x
  2. Step 2: Convert to fraction form
    159,535.37/220,160.27 = 87,917.96/x
  3. Step 3: Cross multiply
    159,535.37x = 220,160.27 × 87,917.96
  4. Step 4: Simplify right side
    159,535.37x = 19,356,041,811.45
  5. Step 5: Solve for x
    x = 19,356,041,811.45/159,535.37
  6. Step 6: Final answer
    x = 121,327.59

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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.