Home / 117,494.21-162,144.75-69,747.74

Finding the Fourth Proportional to 117,494.21, 162,144.75 and 69,747.74

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Solution

The fourth proportional to 117,494.21, 162,144.75 and 69,747.74 is: 96,253.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,494.21 : 162,144.75 = 69,747.74 : x
  2. Step 2: Convert to fraction form
    117,494.21/162,144.75 = 69,747.74/x
  3. Step 3: Cross multiply
    117,494.21x = 162,144.75 × 69,747.74
  4. Step 4: Simplify right side
    117,494.21x = 11,309,229,865.37
  5. Step 5: Solve for x
    x = 11,309,229,865.37/117,494.21
  6. Step 6: Final answer
    x = 96,253.51

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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.