Home / 218,847.07-328,305.60-92,488.54

Finding the Fourth Proportional to 218,847.07, 328,305.60 and 92,488.54

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Solution

The fourth proportional to 218,847.07, 328,305.60 and 92,488.54 is: 138,747.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,847.07 : 328,305.60 = 92,488.54 : x
  2. Step 2: Convert to fraction form
    218,847.07/328,305.60 = 92,488.54/x
  3. Step 3: Cross multiply
    218,847.07x = 328,305.60 × 92,488.54
  4. Step 4: Simplify right side
    218,847.07x = 30,364,505,617.82
  5. Step 5: Solve for x
    x = 30,364,505,617.82/218,847.07
  6. Step 6: Final answer
    x = 138,747.60

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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.