Home / 118,306.57-177,176.96-68,234.87

Finding the Fourth Proportional to 118,306.57, 177,176.96 and 68,234.87

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Solution

The fourth proportional to 118,306.57, 177,176.96 and 68,234.87 is: 102,189.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,306.57 : 177,176.96 = 68,234.87 : x
  2. Step 2: Convert to fraction form
    118,306.57/177,176.96 = 68,234.87/x
  3. Step 3: Cross multiply
    118,306.57x = 177,176.96 × 68,234.87
  4. Step 4: Simplify right side
    118,306.57x = 12,089,646,934.36
  5. Step 5: Solve for x
    x = 12,089,646,934.36/118,306.57
  6. Step 6: Final answer
    x = 102,189.14

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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.