Home / 154,268.68-231,427.66-47,627.56

Finding the Fourth Proportional to 154,268.68, 231,427.66 and 47,627.56

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Solution

The fourth proportional to 154,268.68, 231,427.66 and 47,627.56 is: 71,448.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,268.68 : 231,427.66 = 47,627.56 : x
  2. Step 2: Convert to fraction form
    154,268.68/231,427.66 = 47,627.56/x
  3. Step 3: Cross multiply
    154,268.68x = 231,427.66 × 47,627.56
  4. Step 4: Simplify right side
    154,268.68x = 11,022,334,762.31
  5. Step 5: Solve for x
    x = 11,022,334,762.31/154,268.68
  6. Step 6: Final answer
    x = 71,448.95

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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.