Home / 137,286.08-189,357.09-125,992.04

Finding the Fourth Proportional to 137,286.08, 189,357.09 and 125,992.04

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Solution

The fourth proportional to 137,286.08, 189,357.09 and 125,992.04 is: 173,779.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,286.08 : 189,357.09 = 125,992.04 : x
  2. Step 2: Convert to fraction form
    137,286.08/189,357.09 = 125,992.04/x
  3. Step 3: Cross multiply
    137,286.08x = 189,357.09 × 125,992.04
  4. Step 4: Simplify right side
    137,286.08x = 23,857,486,057.56
  5. Step 5: Solve for x
    x = 23,857,486,057.56/137,286.08
  6. Step 6: Final answer
    x = 173,779.35

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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.