Home / 248,235.12-342,573-135,062.16

Finding the Fourth Proportional to 248,235.12, 342,573 and 135,062.16

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Solution

The fourth proportional to 248,235.12, 342,573 and 135,062.16 is: 186,390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,235.12 : 342,573 = 135,062.16 : x
  2. Step 2: Convert to fraction form
    248,235.12/342,573 = 135,062.16/x
  3. Step 3: Cross multiply
    248,235.12x = 342,573 × 135,062.16
  4. Step 4: Simplify right side
    248,235.12x = 46,268,649,337.68
  5. Step 5: Solve for x
    x = 46,268,649,337.68/248,235.12
  6. Step 6: Final answer
    x = 186,390.42

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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.