Home / 189,922.97-262,174.40-118,338.36

Finding the Fourth Proportional to 189,922.97, 262,174.40 and 118,338.36

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Solution

The fourth proportional to 189,922.97, 262,174.40 and 118,338.36 is: 163,357.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,922.97 : 262,174.40 = 118,338.36 : x
  2. Step 2: Convert to fraction form
    189,922.97/262,174.40 = 118,338.36/x
  3. Step 3: Cross multiply
    189,922.97x = 262,174.40 × 118,338.36
  4. Step 4: Simplify right side
    189,922.97x = 31,025,288,529.98
  5. Step 5: Solve for x
    x = 31,025,288,529.98/189,922.97
  6. Step 6: Final answer
    x = 163,357.22

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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.