Home / 204,160.88-306,041.72-91,869.37

Finding the Fourth Proportional to 204,160.88, 306,041.72 and 91,869.37

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Solution

The fourth proportional to 204,160.88, 306,041.72 and 91,869.37 is: 137,714.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,160.88 : 306,041.72 = 91,869.37 : x
  2. Step 2: Convert to fraction form
    204,160.88/306,041.72 = 91,869.37/x
  3. Step 3: Cross multiply
    204,160.88x = 306,041.72 × 91,869.37
  4. Step 4: Simplify right side
    204,160.88x = 28,115,860,010.12
  5. Step 5: Solve for x
    x = 28,115,860,010.12/204,160.88
  6. Step 6: Final answer
    x = 137,714.24

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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.