Home / 197,728.59-272,884.94-112,858.41

Finding the Fourth Proportional to 197,728.59, 272,884.94 and 112,858.41

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Solution

The fourth proportional to 197,728.59, 272,884.94 and 112,858.41 is: 155,755.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,728.59 : 272,884.94 = 112,858.41 : x
  2. Step 2: Convert to fraction form
    197,728.59/272,884.94 = 112,858.41/x
  3. Step 3: Cross multiply
    197,728.59x = 272,884.94 × 112,858.41
  4. Step 4: Simplify right side
    197,728.59x = 30,797,359,877.05
  5. Step 5: Solve for x
    x = 30,797,359,877.05/197,728.59
  6. Step 6: Final answer
    x = 155,755.72

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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.