Home / 118,346.68-177,182.10-90,234.04

Finding the Fourth Proportional to 118,346.68, 177,182.10 and 90,234.04

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Solution

The fourth proportional to 118,346.68, 177,182.10 and 90,234.04 is: 135,093.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,346.68 : 177,182.10 = 90,234.04 : x
  2. Step 2: Convert to fraction form
    118,346.68/177,182.10 = 90,234.04/x
  3. Step 3: Cross multiply
    118,346.68x = 177,182.10 × 90,234.04
  4. Step 4: Simplify right side
    118,346.68x = 15,987,856,698.68
  5. Step 5: Solve for x
    x = 15,987,856,698.68/118,346.68
  6. Step 6: Final answer
    x = 135,093.41

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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.