Home / 154,361.22-231,539.40-49,179.48

Finding the Fourth Proportional to 154,361.22, 231,539.40 and 49,179.48

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Solution

The fourth proportional to 154,361.22, 231,539.40 and 49,179.48 is: 73,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,361.22 : 231,539.40 = 49,179.48 : x
  2. Step 2: Convert to fraction form
    154,361.22/231,539.40 = 49,179.48/x
  3. Step 3: Cross multiply
    154,361.22x = 231,539.40 × 49,179.48
  4. Step 4: Simplify right side
    154,361.22x = 11,386,987,291.51
  5. Step 5: Solve for x
    x = 11,386,987,291.51/154,361.22
  6. Step 6: Final answer
    x = 73,768.45

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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.