Home / 118,189.53-163,078.35-67,193.45

Finding the Fourth Proportional to 118,189.53, 163,078.35 and 67,193.45

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Solution

The fourth proportional to 118,189.53, 163,078.35 and 67,193.45 is: 92,713.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,189.53 : 163,078.35 = 67,193.45 : x
  2. Step 2: Convert to fraction form
    118,189.53/163,078.35 = 67,193.45/x
  3. Step 3: Cross multiply
    118,189.53x = 163,078.35 × 67,193.45
  4. Step 4: Simplify right side
    118,189.53x = 10,957,796,500.98
  5. Step 5: Solve for x
    x = 10,957,796,500.98/118,189.53
  6. Step 6: Final answer
    x = 92,713.77

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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.