Home / 118,249.03-163,187.12-64,537.49

Finding the Fourth Proportional to 118,249.03, 163,187.12 and 64,537.49

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Solution

The fourth proportional to 118,249.03, 163,187.12 and 64,537.49 is: 89,063.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,249.03 : 163,187.12 = 64,537.49 : x
  2. Step 2: Convert to fraction form
    118,249.03/163,187.12 = 64,537.49/x
  3. Step 3: Cross multiply
    118,249.03x = 163,187.12 × 64,537.49
  4. Step 4: Simplify right side
    118,249.03x = 10,531,687,694.44
  5. Step 5: Solve for x
    x = 10,531,687,694.44/118,249.03
  6. Step 6: Final answer
    x = 89,063.63

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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.