Home / 117,791.35-162,612.26-90,873.43

Finding the Fourth Proportional to 117,791.35, 162,612.26 and 90,873.43

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Solution

The fourth proportional to 117,791.35, 162,612.26 and 90,873.43 is: 125,451.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,791.35 : 162,612.26 = 90,873.43 : x
  2. Step 2: Convert to fraction form
    117,791.35/162,612.26 = 90,873.43/x
  3. Step 3: Cross multiply
    117,791.35x = 162,612.26 × 90,873.43
  4. Step 4: Simplify right side
    117,791.35x = 14,777,133,306.13
  5. Step 5: Solve for x
    x = 14,777,133,306.13/117,791.35
  6. Step 6: Final answer
    x = 125,451.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.