Home / 190,159.43-262,419.57-109,586.26

Finding the Fourth Proportional to 190,159.43, 262,419.57 and 109,586.26

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Solution

The fourth proportional to 190,159.43, 262,419.57 and 109,586.26 is: 151,228.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,159.43 : 262,419.57 = 109,586.26 : x
  2. Step 2: Convert to fraction form
    190,159.43/262,419.57 = 109,586.26/x
  3. Step 3: Cross multiply
    190,159.43x = 262,419.57 × 109,586.26
  4. Step 4: Simplify right side
    190,159.43x = 28,757,578,571.06
  5. Step 5: Solve for x
    x = 28,757,578,571.06/190,159.43
  6. Step 6: Final answer
    x = 151,228.78

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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.