Home / 127,733.66-176,272.49-74,049.79

Finding the Fourth Proportional to 127,733.66, 176,272.49 and 74,049.79

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Solution

The fourth proportional to 127,733.66, 176,272.49 and 74,049.79 is: 102,188.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,733.66 : 176,272.49 = 74,049.79 : x
  2. Step 2: Convert to fraction form
    127,733.66/176,272.49 = 74,049.79/x
  3. Step 3: Cross multiply
    127,733.66x = 176,272.49 × 74,049.79
  4. Step 4: Simplify right side
    127,733.66x = 13,052,941,272.74
  5. Step 5: Solve for x
    x = 13,052,941,272.74/127,733.66
  6. Step 6: Final answer
    x = 102,188.74

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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.