Home / 117,596.40-162,122.34-80,801.49

Finding the Fourth Proportional to 117,596.40, 162,122.34 and 80,801.49

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Solution

The fourth proportional to 117,596.40, 162,122.34 and 80,801.49 is: 111,395.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,596.40 : 162,122.34 = 80,801.49 : x
  2. Step 2: Convert to fraction form
    117,596.40/162,122.34 = 80,801.49/x
  3. Step 3: Cross multiply
    117,596.40x = 162,122.34 × 80,801.49
  4. Step 4: Simplify right side
    117,596.40x = 13,099,726,634.29
  5. Step 5: Solve for x
    x = 13,099,726,634.29/117,596.40
  6. Step 6: Final answer
    x = 111,395.64

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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.