Home / 190,420.43-262,808.17-109,832.22

Finding the Fourth Proportional to 190,420.43, 262,808.17 and 109,832.22

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Solution

The fourth proportional to 190,420.43, 262,808.17 and 109,832.22 is: 151,584.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,420.43 : 262,808.17 = 109,832.22 : x
  2. Step 2: Convert to fraction form
    190,420.43/262,808.17 = 109,832.22/x
  3. Step 3: Cross multiply
    190,420.43x = 262,808.17 × 109,832.22
  4. Step 4: Simplify right side
    190,420.43x = 28,864,804,470.66
  5. Step 5: Solve for x
    x = 28,864,804,470.66/190,420.43
  6. Step 6: Final answer
    x = 151,584.60

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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.