Home / 197,249.92-272,211.84-112,380.16

Finding the Fourth Proportional to 197,249.92, 272,211.84 and 112,380.16

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Solution

The fourth proportional to 197,249.92, 272,211.84 and 112,380.16 is: 155,088.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,249.92 : 272,211.84 = 112,380.16 : x
  2. Step 2: Convert to fraction form
    197,249.92/272,211.84 = 112,380.16/x
  3. Step 3: Cross multiply
    197,249.92x = 272,211.84 × 112,380.16
  4. Step 4: Simplify right side
    197,249.92x = 30,591,210,133.09
  5. Step 5: Solve for x
    x = 30,591,210,133.09/197,249.92
  6. Step 6: Final answer
    x = 155,088.58

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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.