Home / 118,778.35-163,851.97-73,441.84

Finding the Fourth Proportional to 118,778.35, 163,851.97 and 73,441.84

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Solution

The fourth proportional to 118,778.35, 163,851.97 and 73,441.84 is: 101,311.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,778.35 : 163,851.97 = 73,441.84 : x
  2. Step 2: Convert to fraction form
    118,778.35/163,851.97 = 73,441.84/x
  3. Step 3: Cross multiply
    118,778.35x = 163,851.97 × 73,441.84
  4. Step 4: Simplify right side
    118,778.35x = 12,033,590,164.42
  5. Step 5: Solve for x
    x = 12,033,590,164.42/118,778.35
  6. Step 6: Final answer
    x = 101,311.31

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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.