Home / 197,021.20-271,704.72-156,867.52

Finding the Fourth Proportional to 197,021.20, 271,704.72 and 156,867.52

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Solution

The fourth proportional to 197,021.20, 271,704.72 and 156,867.52 is: 216,330.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,021.20 : 271,704.72 = 156,867.52 : x
  2. Step 2: Convert to fraction form
    197,021.20/271,704.72 = 156,867.52/x
  3. Step 3: Cross multiply
    197,021.20x = 271,704.72 × 156,867.52
  4. Step 4: Simplify right side
    197,021.20x = 42,621,645,598.69
  5. Step 5: Solve for x
    x = 42,621,645,598.69/197,021.20
  6. Step 6: Final answer
    x = 216,330.25

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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.