Home / 190,750.78-263,248.38-105,867.84

Finding the Fourth Proportional to 190,750.78, 263,248.38 and 105,867.84

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Solution

The fourth proportional to 190,750.78, 263,248.38 and 105,867.84 is: 146,104.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,750.78 : 263,248.38 = 105,867.84 : x
  2. Step 2: Convert to fraction form
    190,750.78/263,248.38 = 105,867.84/x
  3. Step 3: Cross multiply
    190,750.78x = 263,248.38 × 105,867.84
  4. Step 4: Simplify right side
    190,750.78x = 27,869,538,361.28
  5. Step 5: Solve for x
    x = 27,869,538,361.28/190,750.78
  6. Step 6: Final answer
    x = 146,104.45

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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.