Home / 117,106.38-175,658.76-28,360.35

Finding the Fourth Proportional to 117,106.38, 175,658.76 and 28,360.35

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Solution

The fourth proportional to 117,106.38, 175,658.76 and 28,360.35 is: 42,540.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,106.38 : 175,658.76 = 28,360.35 : x
  2. Step 2: Convert to fraction form
    117,106.38/175,658.76 = 28,360.35/x
  3. Step 3: Cross multiply
    117,106.38x = 175,658.76 × 28,360.35
  4. Step 4: Simplify right side
    117,106.38x = 4,981,743,914.17
  5. Step 5: Solve for x
    x = 4,981,743,914.17/117,106.38
  6. Step 6: Final answer
    x = 42,540.33

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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.