Home / 118,245.27-163,181.97-64,533.78

Finding the Fourth Proportional to 118,245.27, 163,181.97 and 64,533.78

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Solution

The fourth proportional to 118,245.27, 163,181.97 and 64,533.78 is: 89,058.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,245.27 : 163,181.97 = 64,533.78 : x
  2. Step 2: Convert to fraction form
    118,245.27/163,181.97 = 64,533.78/x
  3. Step 3: Cross multiply
    118,245.27x = 163,181.97 × 64,533.78
  4. Step 4: Simplify right side
    118,245.27x = 10,530,749,351.95
  5. Step 5: Solve for x
    x = 10,530,749,351.95/118,245.27
  6. Step 6: Final answer
    x = 89,058.53

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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.