Home / 190,937.26-286,296.13-78,694.95

Finding the Fourth Proportional to 190,937.26, 286,296.13 and 78,694.95

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Solution

The fourth proportional to 190,937.26, 286,296.13 and 78,694.95 is: 117,997.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,937.26 : 286,296.13 = 78,694.95 : x
  2. Step 2: Convert to fraction form
    190,937.26/286,296.13 = 78,694.95/x
  3. Step 3: Cross multiply
    190,937.26x = 286,296.13 × 78,694.95
  4. Step 4: Simplify right side
    190,937.26x = 22,530,059,635.54
  5. Step 5: Solve for x
    x = 22,530,059,635.54/190,937.26
  6. Step 6: Final answer
    x = 117,997.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.