Home / 118,197.62-163,116.82-64,485.58

Finding the Fourth Proportional to 118,197.62, 163,116.82 and 64,485.58

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Solution

The fourth proportional to 118,197.62, 163,116.82 and 64,485.58 is: 88,992.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,197.62 : 163,116.82 = 64,485.58 : x
  2. Step 2: Convert to fraction form
    118,197.62/163,116.82 = 64,485.58/x
  3. Step 3: Cross multiply
    118,197.62x = 163,116.82 × 64,485.58
  4. Step 4: Simplify right side
    118,197.62x = 10,518,682,745.46
  5. Step 5: Solve for x
    x = 10,518,682,745.46/118,197.62
  6. Step 6: Final answer
    x = 88,992.34

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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.