Home / 192,638.53-265,826.73-107,739.19

Finding the Fourth Proportional to 192,638.53, 265,826.73 and 107,739.19

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Solution

The fourth proportional to 192,638.53, 265,826.73 and 107,739.19 is: 148,672.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,638.53 : 265,826.73 = 107,739.19 : x
  2. Step 2: Convert to fraction form
    192,638.53/265,826.73 = 107,739.19/x
  3. Step 3: Cross multiply
    192,638.53x = 265,826.73 × 107,739.19
  4. Step 4: Simplify right side
    192,638.53x = 28,639,956,570.55
  5. Step 5: Solve for x
    x = 28,639,956,570.55/192,638.53
  6. Step 6: Final answer
    x = 148,672.01

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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.