Home / 131,171.20-197,194.20-111,925.60

Finding the Fourth Proportional to 131,171.20, 197,194.20 and 111,925.60

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Solution

The fourth proportional to 131,171.20, 197,194.20 and 111,925.60 is: 168,261.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,171.20 : 197,194.20 = 111,925.60 : x
  2. Step 2: Convert to fraction form
    131,171.20/197,194.20 = 111,925.60/x
  3. Step 3: Cross multiply
    131,171.20x = 197,194.20 × 111,925.60
  4. Step 4: Simplify right side
    131,171.20x = 22,071,079,151.52
  5. Step 5: Solve for x
    x = 22,071,079,151.52/131,171.20
  6. Step 6: Final answer
    x = 168,261.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.