Home / 195,911.20-270,100.32-141,417.76

Finding the Fourth Proportional to 195,911.20, 270,100.32 and 141,417.76

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Solution

The fourth proportional to 195,911.20, 270,100.32 and 141,417.76 is: 194,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,911.20 : 270,100.32 = 141,417.76 : x
  2. Step 2: Convert to fraction form
    195,911.20/270,100.32 = 141,417.76/x
  3. Step 3: Cross multiply
    195,911.20x = 270,100.32 × 141,417.76
  4. Step 4: Simplify right side
    195,911.20x = 38,196,982,229.68
  5. Step 5: Solve for x
    x = 38,196,982,229.68/195,911.20
  6. Step 6: Final answer
    x = 194,970.90

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1.5x scale

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.