Home / 248,441.41-342,849-135,264.16

Finding the Fourth Proportional to 248,441.41, 342,849 and 135,264.16

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Solution

The fourth proportional to 248,441.41, 342,849 and 135,264.16 is: 186,664.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,441.41 : 342,849 = 135,264.16 : x
  2. Step 2: Convert to fraction form
    248,441.41/342,849 = 135,264.16/x
  3. Step 3: Cross multiply
    248,441.41x = 342,849 × 135,264.16
  4. Step 4: Simplify right side
    248,441.41x = 46,375,181,991.84
  5. Step 5: Solve for x
    x = 46,375,181,991.84/248,441.41
  6. Step 6: Final answer
    x = 186,664.46

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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.