Home / 117,828.80-176,743.20-68,062.40

Finding the Fourth Proportional to 117,828.80, 176,743.20 and 68,062.40

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Solution

The fourth proportional to 117,828.80, 176,743.20 and 68,062.40 is: 102,093.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,828.80 : 176,743.20 = 68,062.40 : x
  2. Step 2: Convert to fraction form
    117,828.80/176,743.20 = 68,062.40/x
  3. Step 3: Cross multiply
    117,828.80x = 176,743.20 × 68,062.40
  4. Step 4: Simplify right side
    117,828.80x = 12,029,566,375.68
  5. Step 5: Solve for x
    x = 12,029,566,375.68/117,828.80
  6. Step 6: Final answer
    x = 102,093.60

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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.