Home / 218,896.03-328,470.64-92,528.09

Finding the Fourth Proportional to 218,896.03, 328,470.64 and 92,528.09

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Solution

The fourth proportional to 218,896.03, 328,470.64 and 92,528.09 is: 138,845.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,896.03 : 328,470.64 = 92,528.09 : x
  2. Step 2: Convert to fraction form
    218,896.03/328,470.64 = 92,528.09/x
  3. Step 3: Cross multiply
    218,896.03x = 328,470.64 × 92,528.09
  4. Step 4: Simplify right side
    218,896.03x = 30,392,759,066.60
  5. Step 5: Solve for x
    x = 30,392,759,066.60/218,896.03
  6. Step 6: Final answer
    x = 138,845.64

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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.