Home / 190,351.56-262,685.15-105,468.62

Finding the Fourth Proportional to 190,351.56, 262,685.15 and 105,468.62

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Solution

The fourth proportional to 190,351.56, 262,685.15 and 105,468.62 is: 145,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,351.56 : 262,685.15 = 105,468.62 : x
  2. Step 2: Convert to fraction form
    190,351.56/262,685.15 = 105,468.62/x
  3. Step 3: Cross multiply
    190,351.56x = 262,685.15 × 105,468.62
  4. Step 4: Simplify right side
    190,351.56x = 27,705,040,890.60
  5. Step 5: Solve for x
    x = 27,705,040,890.60/190,351.56
  6. Step 6: Final answer
    x = 145,546.70

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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.