Home / 197,102.52-271,985.64-111,057.84

Finding the Fourth Proportional to 197,102.52, 271,985.64 and 111,057.84

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Solution

The fourth proportional to 197,102.52, 271,985.64 and 111,057.84 is: 153,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,102.52 : 271,985.64 = 111,057.84 : x
  2. Step 2: Convert to fraction form
    197,102.52/271,985.64 = 111,057.84/x
  3. Step 3: Cross multiply
    197,102.52x = 271,985.64 × 111,057.84
  4. Step 4: Simplify right side
    197,102.52x = 30,206,137,689.42
  5. Step 5: Solve for x
    x = 30,206,137,689.42/197,102.52
  6. Step 6: Final answer
    x = 153,250.90

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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.