Home / 190,231.98-262,519.62-109,659.06

Finding the Fourth Proportional to 190,231.98, 262,519.62 and 109,659.06

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Solution

The fourth proportional to 190,231.98, 262,519.62 and 109,659.06 is: 151,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,231.98 : 262,519.62 = 109,659.06 : x
  2. Step 2: Convert to fraction form
    190,231.98/262,519.62 = 109,659.06/x
  3. Step 3: Cross multiply
    190,231.98x = 262,519.62 × 109,659.06
  4. Step 4: Simplify right side
    190,231.98x = 28,787,654,760.76
  5. Step 5: Solve for x
    x = 28,787,654,760.76/190,231.98
  6. Step 6: Final answer
    x = 151,329.21

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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.