Home / 190,905.78-263,434.61-110,338.52

Finding the Fourth Proportional to 190,905.78, 263,434.61 and 110,338.52

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Solution

The fourth proportional to 190,905.78, 263,434.61 and 110,338.52 is: 152,258.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,905.78 : 263,434.61 = 110,338.52 : x
  2. Step 2: Convert to fraction form
    190,905.78/263,434.61 = 110,338.52/x
  3. Step 3: Cross multiply
    190,905.78x = 263,434.61 × 110,338.52
  4. Step 4: Simplify right side
    190,905.78x = 29,066,984,984.18
  5. Step 5: Solve for x
    x = 29,066,984,984.18/190,905.78
  6. Step 6: Final answer
    x = 152,258.28

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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.