Home / 116,138.80-174,061.22-66,246.95

Finding the Fourth Proportional to 116,138.80, 174,061.22 and 66,246.95

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Solution

The fourth proportional to 116,138.80, 174,061.22 and 66,246.95 is: 99,286.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,138.80 : 174,061.22 = 66,246.95 : x
  2. Step 2: Convert to fraction form
    116,138.80/174,061.22 = 66,246.95/x
  3. Step 3: Cross multiply
    116,138.80x = 174,061.22 × 66,246.95
  4. Step 4: Simplify right side
    116,138.80x = 11,531,025,042.20
  5. Step 5: Solve for x
    x = 11,531,025,042.20/116,138.80
  6. Step 6: Final answer
    x = 99,286.59

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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.