Home / 137,286.41-189,357.56-125,992.39

Finding the Fourth Proportional to 137,286.41, 189,357.56 and 125,992.39

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Solution

The fourth proportional to 137,286.41, 189,357.56 and 125,992.39 is: 173,779.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,286.41 : 189,357.56 = 125,992.39 : x
  2. Step 2: Convert to fraction form
    137,286.41/189,357.56 = 125,992.39/x
  3. Step 3: Cross multiply
    137,286.41x = 189,357.56 × 125,992.39
  4. Step 4: Simplify right side
    137,286.41x = 23,857,611,548.97
  5. Step 5: Solve for x
    x = 23,857,611,548.97/137,286.41
  6. Step 6: Final answer
    x = 173,779.85

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1.5x scale

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.