Home / 130,887.80-196,341.64-50,891.39

Finding the Fourth Proportional to 130,887.80, 196,341.64 and 50,891.39

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Solution

The fourth proportional to 130,887.80, 196,341.64 and 50,891.39 is: 76,340.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,887.80 : 196,341.64 = 50,891.39 : x
  2. Step 2: Convert to fraction form
    130,887.80/196,341.64 = 50,891.39/x
  3. Step 3: Cross multiply
    130,887.80x = 196,341.64 × 50,891.39
  4. Step 4: Simplify right side
    130,887.80x = 9,992,098,974.48
  5. Step 5: Solve for x
    x = 9,992,098,974.48/130,887.80
  6. Step 6: Final answer
    x = 76,340.95

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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.