Home / 206,851.47-285,453.32-116,205.50

Finding the Fourth Proportional to 206,851.47, 285,453.32 and 116,205.50

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Solution

The fourth proportional to 206,851.47, 285,453.32 and 116,205.50 is: 160,362.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,851.47 : 285,453.32 = 116,205.50 : x
  2. Step 2: Convert to fraction form
    206,851.47/285,453.32 = 116,205.50/x
  3. Step 3: Cross multiply
    206,851.47x = 285,453.32 × 116,205.50
  4. Step 4: Simplify right side
    206,851.47x = 33,171,244,705.61
  5. Step 5: Solve for x
    x = 33,171,244,705.61/206,851.47
  6. Step 6: Final answer
    x = 160,362.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.