Home / 179,359.54-268,945.90-66,947.32

Finding the Fourth Proportional to 179,359.54, 268,945.90 and 66,947.32

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Solution

The fourth proportional to 179,359.54, 268,945.90 and 66,947.32 is: 100,386.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,359.54 : 268,945.90 = 66,947.32 : x
  2. Step 2: Convert to fraction form
    179,359.54/268,945.90 = 66,947.32/x
  3. Step 3: Cross multiply
    179,359.54x = 268,945.90 × 66,947.32
  4. Step 4: Simplify right side
    179,359.54x = 18,005,207,229.99
  5. Step 5: Solve for x
    x = 18,005,207,229.99/179,359.54
  6. Step 6: Final answer
    x = 100,386.11

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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.