Home / 131,277.48-196,959.42-52,348.20

Finding the Fourth Proportional to 131,277.48, 196,959.42 and 52,348.20

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Solution

The fourth proportional to 131,277.48, 196,959.42 and 52,348.20 is: 78,539.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,277.48 : 196,959.42 = 52,348.20 : x
  2. Step 2: Convert to fraction form
    131,277.48/196,959.42 = 52,348.20/x
  3. Step 3: Cross multiply
    131,277.48x = 196,959.42 × 52,348.20
  4. Step 4: Simplify right side
    131,277.48x = 10,310,471,110.04
  5. Step 5: Solve for x
    x = 10,310,471,110.04/131,277.48
  6. Step 6: Final answer
    x = 78,539.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.