Home / 190,716.93-286,100.51-70,757.55

Finding the Fourth Proportional to 190,716.93, 286,100.51 and 70,757.55

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Solution

The fourth proportional to 190,716.93, 286,100.51 and 70,757.55 is: 106,145.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,716.93 : 286,100.51 = 70,757.55 : x
  2. Step 2: Convert to fraction form
    190,716.93/286,100.51 = 70,757.55/x
  3. Step 3: Cross multiply
    190,716.93x = 286,100.51 × 70,757.55
  4. Step 4: Simplify right side
    190,716.93x = 20,243,770,787.56
  5. Step 5: Solve for x
    x = 20,243,770,787.56/190,716.93
  6. Step 6: Final answer
    x = 106,145.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.