Home / 190,238.06-262,531.25-109,664.12

Finding the Fourth Proportional to 190,238.06, 262,531.25 and 109,664.12

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Solution

The fourth proportional to 190,238.06, 262,531.25 and 109,664.12 is: 151,338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,238.06 : 262,531.25 = 109,664.12 : x
  2. Step 2: Convert to fraction form
    190,238.06/262,531.25 = 109,664.12/x
  3. Step 3: Cross multiply
    190,238.06x = 262,531.25 × 109,664.12
  4. Step 4: Simplify right side
    190,238.06x = 28,790,256,642.77
  5. Step 5: Solve for x
    x = 28,790,256,642.77/190,238.06
  6. Step 6: Final answer
    x = 151,338.05

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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.