Home / 118,195.75-163,110.14-75,754.29

Finding the Fourth Proportional to 118,195.75, 163,110.14 and 75,754.29

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Solution

The fourth proportional to 118,195.75, 163,110.14 and 75,754.29 is: 104,540.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,195.75 : 163,110.14 = 75,754.29 : x
  2. Step 2: Convert to fraction form
    118,195.75/163,110.14 = 75,754.29/x
  3. Step 3: Cross multiply
    118,195.75x = 163,110.14 × 75,754.29
  4. Step 4: Simplify right side
    118,195.75x = 12,356,292,847.50
  5. Step 5: Solve for x
    x = 12,356,292,847.50/118,195.75
  6. Step 6: Final answer
    x = 104,540.92

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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.