Home / 190,141.70-262,453.91-109,622.97

Finding the Fourth Proportional to 190,141.70, 262,453.91 and 109,622.97

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Solution

The fourth proportional to 190,141.70, 262,453.91 and 109,622.97 is: 151,313.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,141.70 : 262,453.91 = 109,622.97 : x
  2. Step 2: Convert to fraction form
    190,141.70/262,453.91 = 109,622.97/x
  3. Step 3: Cross multiply
    190,141.70x = 262,453.91 × 109,622.97
  4. Step 4: Simplify right side
    190,141.70x = 28,770,976,554.20
  5. Step 5: Solve for x
    x = 28,770,976,554.20/190,141.70
  6. Step 6: Final answer
    x = 151,313.35

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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.