Home / 197,321.22-272,306.25-112,436.46

Finding the Fourth Proportional to 197,321.22, 272,306.25 and 112,436.46

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Solution

The fourth proportional to 197,321.22, 272,306.25 and 112,436.46 is: 155,164.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,321.22 : 272,306.25 = 112,436.46 : x
  2. Step 2: Convert to fraction form
    197,321.22/272,306.25 = 112,436.46/x
  3. Step 3: Cross multiply
    197,321.22x = 272,306.25 × 112,436.46
  4. Step 4: Simplify right side
    197,321.22x = 30,617,150,785.88
  5. Step 5: Solve for x
    x = 30,617,150,785.88/197,321.22
  6. Step 6: Final answer
    x = 155,164.01

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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.