Home / 125,872.96-189,559.36-113,535.04

Finding the Fourth Proportional to 125,872.96, 189,559.36 and 113,535.04

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Solution

The fourth proportional to 125,872.96, 189,559.36 and 113,535.04 is: 170,978.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,872.96 : 189,559.36 = 113,535.04 : x
  2. Step 2: Convert to fraction form
    125,872.96/189,559.36 = 113,535.04/x
  3. Step 3: Cross multiply
    125,872.96x = 189,559.36 × 113,535.04
  4. Step 4: Simplify right side
    125,872.96x = 21,521,629,519.97
  5. Step 5: Solve for x
    x = 21,521,629,519.97/125,872.96
  6. Step 6: Final answer
    x = 170,978.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.