Home / 190,581.35-263,018.42-105,725.75

Finding the Fourth Proportional to 190,581.35, 263,018.42 and 105,725.75

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Solution

The fourth proportional to 190,581.35, 263,018.42 and 105,725.75 is: 145,910.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,581.35 : 263,018.42 = 105,725.75 : x
  2. Step 2: Convert to fraction form
    190,581.35/263,018.42 = 105,725.75/x
  3. Step 3: Cross multiply
    190,581.35x = 263,018.42 × 105,725.75
  4. Step 4: Simplify right side
    190,581.35x = 27,807,819,718.32
  5. Step 5: Solve for x
    x = 27,807,819,718.32/190,581.35
  6. Step 6: Final answer
    x = 145,910.50

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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.