Home / 132,870.24-199,388.40-53,984.47

Finding the Fourth Proportional to 132,870.24, 199,388.40 and 53,984.47

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Solution

The fourth proportional to 132,870.24, 199,388.40 and 53,984.47 is: 81,010.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,870.24 : 199,388.40 = 53,984.47 : x
  2. Step 2: Convert to fraction form
    132,870.24/199,388.40 = 53,984.47/x
  3. Step 3: Cross multiply
    132,870.24x = 199,388.40 × 53,984.47
  4. Step 4: Simplify right side
    132,870.24x = 10,763,876,286.22
  5. Step 5: Solve for x
    x = 10,763,876,286.22/132,870.24
  6. Step 6: Final answer
    x = 81,010.44

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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.