Home / 248,739.11-343,261.15-141,315.04

Finding the Fourth Proportional to 248,739.11, 343,261.15 and 141,315.04

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Solution

The fourth proportional to 248,739.11, 343,261.15 and 141,315.04 is: 195,015.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,739.11 : 343,261.15 = 141,315.04 : x
  2. Step 2: Convert to fraction form
    248,739.11/343,261.15 = 141,315.04/x
  3. Step 3: Cross multiply
    248,739.11x = 343,261.15 × 141,315.04
  4. Step 4: Simplify right side
    248,739.11x = 48,507,961,931.26
  5. Step 5: Solve for x
    x = 48,507,961,931.26/248,739.11
  6. Step 6: Final answer
    x = 195,015.42

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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.