Home / 197,010.20-271,689.54-156,856.52

Finding the Fourth Proportional to 197,010.20, 271,689.54 and 156,856.52

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Solution

The fourth proportional to 197,010.20, 271,689.54 and 156,856.52 is: 216,315.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,010.20 : 271,689.54 = 156,856.52 : x
  2. Step 2: Convert to fraction form
    197,010.20/271,689.54 = 156,856.52/x
  3. Step 3: Cross multiply
    197,010.20x = 271,689.54 × 156,856.52
  4. Step 4: Simplify right side
    197,010.20x = 42,616,275,764.80
  5. Step 5: Solve for x
    x = 42,616,275,764.80/197,010.20
  6. Step 6: Final answer
    x = 216,315.07

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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.