Home / 192,741.93-265,987.40-107,858.79

Finding the Fourth Proportional to 192,741.93, 265,987.40 and 107,858.79

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Solution

The fourth proportional to 192,741.93, 265,987.40 and 107,858.79 is: 148,847.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,741.93 : 265,987.40 = 107,858.79 : x
  2. Step 2: Convert to fraction form
    192,741.93/265,987.40 = 107,858.79/x
  3. Step 3: Cross multiply
    192,741.93x = 265,987.40 × 107,858.79
  4. Step 4: Simplify right side
    192,741.93x = 28,689,078,579.95
  5. Step 5: Solve for x
    x = 28,689,078,579.95/192,741.93
  6. Step 6: Final answer
    x = 148,847.11

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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.