Home / 218,900.02-328,476.64-92,532.09

Finding the Fourth Proportional to 218,900.02, 328,476.64 and 92,532.09

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Solution

The fourth proportional to 218,900.02, 328,476.64 and 92,532.09 is: 138,851.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,900.02 : 328,476.64 = 92,532.09 : x
  2. Step 2: Convert to fraction form
    218,900.02/328,476.64 = 92,532.09/x
  3. Step 3: Cross multiply
    218,900.02x = 328,476.64 × 92,532.09
  4. Step 4: Simplify right side
    218,900.02x = 30,394,628,141.66
  5. Step 5: Solve for x
    x = 30,394,628,141.66/218,900.02
  6. Step 6: Final answer
    x = 138,851.65

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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.