Home / 118,197.25-163,112.21-75,755.80

Finding the Fourth Proportional to 118,197.25, 163,112.21 and 75,755.80

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Solution

The fourth proportional to 118,197.25, 163,112.21 and 75,755.80 is: 104,543.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,197.25 : 163,112.21 = 75,755.80 : x
  2. Step 2: Convert to fraction form
    118,197.25/163,112.21 = 75,755.80/x
  3. Step 3: Cross multiply
    118,197.25x = 163,112.21 × 75,755.80
  4. Step 4: Simplify right side
    118,197.25x = 12,356,695,958.32
  5. Step 5: Solve for x
    x = 12,356,695,958.32/118,197.25
  6. Step 6: Final answer
    x = 104,543.01

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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.