Home / 190,165.78-262,456.41-109,577.62

Finding the Fourth Proportional to 190,165.78, 262,456.41 and 109,577.62

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Solution

The fourth proportional to 190,165.78, 262,456.41 and 109,577.62 is: 151,233.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,165.78 : 262,456.41 = 109,577.62 : x
  2. Step 2: Convert to fraction form
    190,165.78/262,456.41 = 109,577.62/x
  3. Step 3: Cross multiply
    190,165.78x = 262,456.41 × 109,577.62
  4. Step 4: Simplify right side
    190,165.78x = 28,759,348,761.54
  5. Step 5: Solve for x
    x = 28,759,348,761.54/190,165.78
  6. Step 6: Final answer
    x = 151,233.04

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1.5x scale

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.