Home / 197,190.52-272,171.28-112,357.60

Finding the Fourth Proportional to 197,190.52, 272,171.28 and 112,357.60

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Solution

The fourth proportional to 197,190.52, 272,171.28 and 112,357.60 is: 155,081.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,190.52 : 272,171.28 = 112,357.60 : x
  2. Step 2: Convert to fraction form
    197,190.52/272,171.28 = 112,357.60/x
  3. Step 3: Cross multiply
    197,190.52x = 272,171.28 × 112,357.60
  4. Step 4: Simplify right side
    197,190.52x = 30,580,511,809.73
  5. Step 5: Solve for x
    x = 30,580,511,809.73/197,190.52
  6. Step 6: Final answer
    x = 155,081.04

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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.