Home / 190,538.32-262,923.93-109,991.79

Finding the Fourth Proportional to 190,538.32, 262,923.93 and 109,991.79

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Solution

The fourth proportional to 190,538.32, 262,923.93 and 109,991.79 is: 151,777.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,538.32 : 262,923.93 = 109,991.79 : x
  2. Step 2: Convert to fraction form
    190,538.32/262,923.93 = 109,991.79/x
  3. Step 3: Cross multiply
    190,538.32x = 262,923.93 × 109,991.79
  4. Step 4: Simplify right side
    190,538.32x = 28,919,474,743.36
  5. Step 5: Solve for x
    x = 28,919,474,743.36/190,538.32
  6. Step 6: Final answer
    x = 151,777.74

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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.