Home / 127,960.66-176,550.27-82,640.55

Finding the Fourth Proportional to 127,960.66, 176,550.27 and 82,640.55

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Solution

The fourth proportional to 127,960.66, 176,550.27 and 82,640.55 is: 114,021.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,960.66 : 176,550.27 = 82,640.55 : x
  2. Step 2: Convert to fraction form
    127,960.66/176,550.27 = 82,640.55/x
  3. Step 3: Cross multiply
    127,960.66x = 176,550.27 × 82,640.55
  4. Step 4: Simplify right side
    127,960.66x = 14,590,211,767.61
  5. Step 5: Solve for x
    x = 14,590,211,767.61/127,960.66
  6. Step 6: Final answer
    x = 114,021.07

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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.