Home / 117,180.26-161,707.94-63,464.04

Finding the Fourth Proportional to 117,180.26, 161,707.94 and 63,464.04

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Solution

The fourth proportional to 117,180.26, 161,707.94 and 63,464.04 is: 87,579.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,180.26 : 161,707.94 = 63,464.04 : x
  2. Step 2: Convert to fraction form
    117,180.26/161,707.94 = 63,464.04/x
  3. Step 3: Cross multiply
    117,180.26x = 161,707.94 × 63,464.04
  4. Step 4: Simplify right side
    117,180.26x = 10,262,639,331.14
  5. Step 5: Solve for x
    x = 10,262,639,331.14/117,180.26
  6. Step 6: Final answer
    x = 87,579.94

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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.