Home / 118,679.38-177,998.92-52,101.63

Finding the Fourth Proportional to 118,679.38, 177,998.92 and 52,101.63

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Solution

The fourth proportional to 118,679.38, 177,998.92 and 52,101.63 is: 78,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,679.38 : 177,998.92 = 52,101.63 : x
  2. Step 2: Convert to fraction form
    118,679.38/177,998.92 = 52,101.63/x
  3. Step 3: Cross multiply
    118,679.38x = 177,998.92 × 52,101.63
  4. Step 4: Simplify right side
    118,679.38x = 9,274,033,739.99
  5. Step 5: Solve for x
    x = 9,274,033,739.99/118,679.38
  6. Step 6: Final answer
    x = 78,143.60

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1.5x scale

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.