Home / 347,072.80-521,091.02-178,713.44

Finding the Fourth Proportional to 347,072.80, 521,091.02 and 178,713.44

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Solution

The fourth proportional to 347,072.80, 521,091.02 and 178,713.44 is: 268,318.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,072.80 : 521,091.02 = 178,713.44 : x
  2. Step 2: Convert to fraction form
    347,072.80/521,091.02 = 178,713.44/x
  3. Step 3: Cross multiply
    347,072.80x = 521,091.02 × 178,713.44
  4. Step 4: Simplify right side
    347,072.80x = 93,125,968,532.73
  5. Step 5: Solve for x
    x = 93,125,968,532.73/347,072.80
  6. Step 6: Final answer
    x = 268,318.26

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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.