Home / 179,917.20-269,875.80-55,258.20

Finding the Fourth Proportional to 179,917.20, 269,875.80 and 55,258.20

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Solution

The fourth proportional to 179,917.20, 269,875.80 and 55,258.20 is: 82,887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,917.20 : 269,875.80 = 55,258.20 : x
  2. Step 2: Convert to fraction form
    179,917.20/269,875.80 = 55,258.20/x
  3. Step 3: Cross multiply
    179,917.20x = 269,875.80 × 55,258.20
  4. Step 4: Simplify right side
    179,917.20x = 14,912,850,931.56
  5. Step 5: Solve for x
    x = 14,912,850,931.56/179,917.20
  6. Step 6: Final answer
    x = 82,887.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.