Home / 124,268.54-186,357.44-45,359.42

Finding the Fourth Proportional to 124,268.54, 186,357.44 and 45,359.42

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Solution

The fourth proportional to 124,268.54, 186,357.44 and 45,359.42 is: 68,022.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,268.54 : 186,357.44 = 45,359.42 : x
  2. Step 2: Convert to fraction form
    124,268.54/186,357.44 = 45,359.42/x
  3. Step 3: Cross multiply
    124,268.54x = 186,357.44 × 45,359.42
  4. Step 4: Simplify right side
    124,268.54x = 8,453,065,391.08
  5. Step 5: Solve for x
    x = 8,453,065,391.08/124,268.54
  6. Step 6: Final answer
    x = 68,022.57

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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.