Home / 117,174.86-161,700.38-63,458.64

Finding the Fourth Proportional to 117,174.86, 161,700.38 and 63,458.64

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Solution

The fourth proportional to 117,174.86, 161,700.38 and 63,458.64 is: 87,572.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,174.86 : 161,700.38 = 63,458.64 : x
  2. Step 2: Convert to fraction form
    117,174.86/161,700.38 = 63,458.64/x
  3. Step 3: Cross multiply
    117,174.86x = 161,700.38 × 63,458.64
  4. Step 4: Simplify right side
    117,174.86x = 10,261,286,202.28
  5. Step 5: Solve for x
    x = 10,261,286,202.28/117,174.86
  6. Step 6: Final answer
    x = 87,572.42

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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.