Home / 276,949.14-382,191.48-154,449.26

Finding the Fourth Proportional to 276,949.14, 382,191.48 and 154,449.26

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Solution

The fourth proportional to 276,949.14, 382,191.48 and 154,449.26 is: 213,140.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,949.14 : 382,191.48 = 154,449.26 : x
  2. Step 2: Convert to fraction form
    276,949.14/382,191.48 = 154,449.26/x
  3. Step 3: Cross multiply
    276,949.14x = 382,191.48 × 154,449.26
  4. Step 4: Simplify right side
    276,949.14x = 59,029,190,786.57
  5. Step 5: Solve for x
    x = 59,029,190,786.57/276,949.14
  6. Step 6: Final answer
    x = 213,140.91

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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.