Home / 189,067.23-260,825.67-121,051.53

Finding the Fourth Proportional to 189,067.23, 260,825.67 and 121,051.53

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Solution

The fourth proportional to 189,067.23, 260,825.67 and 121,051.53 is: 166,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,067.23 : 260,825.67 = 121,051.53 : x
  2. Step 2: Convert to fraction form
    189,067.23/260,825.67 = 121,051.53/x
  3. Step 3: Cross multiply
    189,067.23x = 260,825.67 × 121,051.53
  4. Step 4: Simplify right side
    189,067.23x = 31,573,346,416.78
  5. Step 5: Solve for x
    x = 31,573,346,416.78/189,067.23
  6. Step 6: Final answer
    x = 166,995.34

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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.