Home / 118,169.88-163,074.94-64,456.05

Finding the Fourth Proportional to 118,169.88, 163,074.94 and 64,456.05

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Solution

The fourth proportional to 118,169.88, 163,074.94 and 64,456.05 is: 88,949.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,169.88 : 163,074.94 = 64,456.05 : x
  2. Step 2: Convert to fraction form
    118,169.88/163,074.94 = 64,456.05/x
  3. Step 3: Cross multiply
    118,169.88x = 163,074.94 × 64,456.05
  4. Step 4: Simplify right side
    118,169.88x = 10,511,166,566.96
  5. Step 5: Solve for x
    x = 10,511,166,566.96/118,169.88
  6. Step 6: Final answer
    x = 88,949.63

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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.