Home / 199,309.14-274,891.10-127,695.87

Finding the Fourth Proportional to 199,309.14, 274,891.10 and 127,695.87

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Solution

The fourth proportional to 199,309.14, 274,891.10 and 127,695.87 is: 176,120.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,309.14 : 274,891.10 = 127,695.87 : x
  2. Step 2: Convert to fraction form
    199,309.14/274,891.10 = 127,695.87/x
  3. Step 3: Cross multiply
    199,309.14x = 274,891.10 × 127,695.87
  4. Step 4: Simplify right side
    199,309.14x = 35,102,457,531.28
  5. Step 5: Solve for x
    x = 35,102,457,531.28/199,309.14
  6. Step 6: Final answer
    x = 176,120.66

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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.