Home / 134,378.92-185,404.44-86,659.66

Finding the Fourth Proportional to 134,378.92, 185,404.44 and 86,659.66

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Solution

The fourth proportional to 134,378.92, 185,404.44 and 86,659.66 is: 119,565.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,378.92 : 185,404.44 = 86,659.66 : x
  2. Step 2: Convert to fraction form
    134,378.92/185,404.44 = 86,659.66/x
  3. Step 3: Cross multiply
    134,378.92x = 185,404.44 × 86,659.66
  4. Step 4: Simplify right side
    134,378.92x = 16,067,085,732.89
  5. Step 5: Solve for x
    x = 16,067,085,732.89/134,378.92
  6. Step 6: Final answer
    x = 119,565.52

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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.