Home / 190,138.28-262,418.28-109,550.36

Finding the Fourth Proportional to 190,138.28, 262,418.28 and 109,550.36

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Solution

The fourth proportional to 190,138.28, 262,418.28 and 109,550.36 is: 151,195.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,138.28 : 262,418.28 = 109,550.36 : x
  2. Step 2: Convert to fraction form
    190,138.28/262,418.28 = 109,550.36/x
  3. Step 3: Cross multiply
    190,138.28x = 262,418.28 × 109,550.36
  4. Step 4: Simplify right side
    190,138.28x = 28,748,017,044.58
  5. Step 5: Solve for x
    x = 28,748,017,044.58/190,138.28
  6. Step 6: Final answer
    x = 151,195.31

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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.