Home / 190,359.32-262,723.46-109,770.80

Finding the Fourth Proportional to 190,359.32, 262,723.46 and 109,770.80

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Solution

The fourth proportional to 190,359.32, 262,723.46 and 109,770.80 is: 151,499.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,359.32 : 262,723.46 = 109,770.80 : x
  2. Step 2: Convert to fraction form
    190,359.32/262,723.46 = 109,770.80/x
  3. Step 3: Cross multiply
    190,359.32x = 262,723.46 × 109,770.80
  4. Step 4: Simplify right side
    190,359.32x = 28,839,364,490.92
  5. Step 5: Solve for x
    x = 28,839,364,490.92/190,359.32
  6. Step 6: Final answer
    x = 151,499.62

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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.