Home / 118,236.05-163,169.22-64,524.54

Finding the Fourth Proportional to 118,236.05, 163,169.22 and 64,524.54

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Solution

The fourth proportional to 118,236.05, 163,169.22 and 64,524.54 is: 89,045.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,236.05 : 163,169.22 = 64,524.54 : x
  2. Step 2: Convert to fraction form
    118,236.05/163,169.22 = 64,524.54/x
  3. Step 3: Cross multiply
    118,236.05x = 163,169.22 × 64,524.54
  4. Step 4: Simplify right side
    118,236.05x = 10,528,418,862.66
  5. Step 5: Solve for x
    x = 10,528,418,862.66/118,236.05
  6. Step 6: Final answer
    x = 89,045.76

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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.