Home / 197,031.43-271,903.68-112,148.50

Finding the Fourth Proportional to 197,031.43, 271,903.68 and 112,148.50

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Solution

The fourth proportional to 197,031.43, 271,903.68 and 112,148.50 is: 154,765.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,031.43 : 271,903.68 = 112,148.50 : x
  2. Step 2: Convert to fraction form
    197,031.43/271,903.68 = 112,148.50/x
  3. Step 3: Cross multiply
    197,031.43x = 271,903.68 × 112,148.50
  4. Step 4: Simplify right side
    197,031.43x = 30,493,589,856.48
  5. Step 5: Solve for x
    x = 30,493,589,856.48/197,031.43
  6. Step 6: Final answer
    x = 154,765.10

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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.