Home / 118,197.35-163,105.70-67,222.49

Finding the Fourth Proportional to 118,197.35, 163,105.70 and 67,222.49

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Solution

The fourth proportional to 118,197.35, 163,105.70 and 67,222.49 is: 92,763.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,197.35 : 163,105.70 = 67,222.49 : x
  2. Step 2: Convert to fraction form
    118,197.35/163,105.70 = 67,222.49/x
  3. Step 3: Cross multiply
    118,197.35x = 163,105.70 × 67,222.49
  4. Step 4: Simplify right side
    118,197.35x = 10,964,370,639.72
  5. Step 5: Solve for x
    x = 10,964,370,639.72/118,197.35
  6. Step 6: Final answer
    x = 92,763.25

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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.