Home / 215,766.94-323,598.44-66,008.54

Finding the Fourth Proportional to 215,766.94, 323,598.44 and 66,008.54

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Solution

The fourth proportional to 215,766.94, 323,598.44 and 66,008.54 is: 98,996.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,766.94 : 323,598.44 = 66,008.54 : x
  2. Step 2: Convert to fraction form
    215,766.94/323,598.44 = 66,008.54/x
  3. Step 3: Cross multiply
    215,766.94x = 323,598.44 × 66,008.54
  4. Step 4: Simplify right side
    215,766.94x = 21,360,260,570.68
  5. Step 5: Solve for x
    x = 21,360,260,570.68/215,766.94
  6. Step 6: Final answer
    x = 98,996.91

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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.