Home / 117,182.27-161,711.48-63,467.30

Finding the Fourth Proportional to 117,182.27, 161,711.48 and 63,467.30

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Solution

The fourth proportional to 117,182.27, 161,711.48 and 63,467.30 is: 87,584.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,182.27 : 161,711.48 = 63,467.30 : x
  2. Step 2: Convert to fraction form
    117,182.27/161,711.48 = 63,467.30/x
  3. Step 3: Cross multiply
    117,182.27x = 161,711.48 × 63,467.30
  4. Step 4: Simplify right side
    117,182.27x = 10,263,391,577.55
  5. Step 5: Solve for x
    x = 10,263,391,577.55/117,182.27
  6. Step 6: Final answer
    x = 87,584.85

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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.