Home / 248,764.86-343,286.37-135,585.18

Finding the Fourth Proportional to 248,764.86, 343,286.37 and 135,585.18

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Solution

The fourth proportional to 248,764.86, 343,286.37 and 135,585.18 is: 187,102.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,764.86 : 343,286.37 = 135,585.18 : x
  2. Step 2: Convert to fraction form
    248,764.86/343,286.37 = 135,585.18/x
  3. Step 3: Cross multiply
    248,764.86x = 343,286.37 × 135,585.18
  4. Step 4: Simplify right side
    248,764.86x = 46,544,544,268.00
  5. Step 5: Solve for x
    x = 46,544,544,268.00/248,764.86
  6. Step 6: Final answer
    x = 187,102.57

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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.