Home / 127,804.33-176,367.61-69,661.56

Finding the Fourth Proportional to 127,804.33, 176,367.61 and 69,661.56

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Solution

The fourth proportional to 127,804.33, 176,367.61 and 69,661.56 is: 96,131.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,804.33 : 176,367.61 = 69,661.56 : x
  2. Step 2: Convert to fraction form
    127,804.33/176,367.61 = 69,661.56/x
  3. Step 3: Cross multiply
    127,804.33x = 176,367.61 × 69,661.56
  4. Step 4: Simplify right side
    127,804.33x = 12,286,042,846.07
  5. Step 5: Solve for x
    x = 12,286,042,846.07/127,804.33
  6. Step 6: Final answer
    x = 96,131.66

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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.