Home / 134,367.24-185,364.75-86,635.92

Finding the Fourth Proportional to 134,367.24, 185,364.75 and 86,635.92

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Solution

The fourth proportional to 134,367.24, 185,364.75 and 86,635.92 is: 119,517.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,367.24 : 185,364.75 = 86,635.92 : x
  2. Step 2: Convert to fraction form
    134,367.24/185,364.75 = 86,635.92/x
  3. Step 3: Cross multiply
    134,367.24x = 185,364.75 × 86,635.92
  4. Step 4: Simplify right side
    134,367.24x = 16,059,245,651.82
  5. Step 5: Solve for x
    x = 16,059,245,651.82/134,367.24
  6. Step 6: Final answer
    x = 119,517.57

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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.