Home / 117,182.25-161,712.14-63,467.42

Finding the Fourth Proportional to 117,182.25, 161,712.14 and 63,467.42

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Solution

The fourth proportional to 117,182.25, 161,712.14 and 63,467.42 is: 87,585.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,182.25 : 161,712.14 = 63,467.42 : x
  2. Step 2: Convert to fraction form
    117,182.25/161,712.14 = 63,467.42/x
  3. Step 3: Cross multiply
    117,182.25x = 161,712.14 × 63,467.42
  4. Step 4: Simplify right side
    117,182.25x = 10,263,451,182.58
  5. Step 5: Solve for x
    x = 10,263,451,182.58/117,182.25
  6. Step 6: Final answer
    x = 87,585.37

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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.