Home / 190,416.46-262,764.60-109,839.19

Finding the Fourth Proportional to 190,416.46, 262,764.60 and 109,839.19

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Solution

The fourth proportional to 190,416.46, 262,764.60 and 109,839.19 is: 151,572.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,416.46 : 262,764.60 = 109,839.19 : x
  2. Step 2: Convert to fraction form
    190,416.46/262,764.60 = 109,839.19/x
  3. Step 3: Cross multiply
    190,416.46x = 262,764.60 × 109,839.19
  4. Step 4: Simplify right side
    190,416.46x = 28,861,850,824.67
  5. Step 5: Solve for x
    x = 28,861,850,824.67/190,416.46
  6. Step 6: Final answer
    x = 151,572.25

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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.