Home / 171,122.18-236,147.12-94,639.64

Finding the Fourth Proportional to 171,122.18, 236,147.12 and 94,639.64

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Solution

The fourth proportional to 171,122.18, 236,147.12 and 94,639.64 is: 130,601.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,122.18 : 236,147.12 = 94,639.64 : x
  2. Step 2: Convert to fraction form
    171,122.18/236,147.12 = 94,639.64/x
  3. Step 3: Cross multiply
    171,122.18x = 236,147.12 × 94,639.64
  4. Step 4: Simplify right side
    171,122.18x = 22,348,876,769.90
  5. Step 5: Solve for x
    x = 22,348,876,769.90/171,122.18
  6. Step 6: Final answer
    x = 130,601.87

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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.