Home / 197,591.32-272,650.62-112,703.32

Finding the Fourth Proportional to 197,591.32, 272,650.62 and 112,703.32

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Solution

The fourth proportional to 197,591.32, 272,650.62 and 112,703.32 is: 155,516.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,591.32 : 272,650.62 = 112,703.32 : x
  2. Step 2: Convert to fraction form
    197,591.32/272,650.62 = 112,703.32/x
  3. Step 3: Cross multiply
    197,591.32x = 272,650.62 × 112,703.32
  4. Step 4: Simplify right side
    197,591.32x = 30,728,630,074.06
  5. Step 5: Solve for x
    x = 30,728,630,074.06/197,591.32
  6. Step 6: Final answer
    x = 155,516.09

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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.