Home / 127,963.80-191,668.68-92,826

Finding the Fourth Proportional to 127,963.80, 191,668.68 and 92,826

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Solution

The fourth proportional to 127,963.80, 191,668.68 and 92,826 is: 139,038.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,963.80 : 191,668.68 = 92,826 : x
  2. Step 2: Convert to fraction form
    127,963.80/191,668.68 = 92,826/x
  3. Step 3: Cross multiply
    127,963.80x = 191,668.68 × 92,826
  4. Step 4: Simplify right side
    127,963.80x = 17,791,836,889.68
  5. Step 5: Solve for x
    x = 17,791,836,889.68/127,963.80
  6. Step 6: Final answer
    x = 139,038.05

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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.