Home / 118,126.87-163,028.90-67,147.25

Finding the Fourth Proportional to 118,126.87, 163,028.90 and 67,147.25

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Solution

The fourth proportional to 118,126.87, 163,028.90 and 67,147.25 is: 92,671.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,126.87 : 163,028.90 = 67,147.25 : x
  2. Step 2: Convert to fraction form
    118,126.87/163,028.90 = 67,147.25/x
  3. Step 3: Cross multiply
    118,126.87x = 163,028.90 × 67,147.25
  4. Step 4: Simplify right side
    118,126.87x = 10,946,941,658.25
  5. Step 5: Solve for x
    x = 10,946,941,658.25/118,126.87
  6. Step 6: Final answer
    x = 92,671.06

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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.