Home / 135,039.40-202,559.10-110,107.60

Finding the Fourth Proportional to 135,039.40, 202,559.10 and 110,107.60

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Solution

The fourth proportional to 135,039.40, 202,559.10 and 110,107.60 is: 165,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,039.40 : 202,559.10 = 110,107.60 : x
  2. Step 2: Convert to fraction form
    135,039.40/202,559.10 = 110,107.60/x
  3. Step 3: Cross multiply
    135,039.40x = 202,559.10 × 110,107.60
  4. Step 4: Simplify right side
    135,039.40x = 22,303,296,359.16
  5. Step 5: Solve for x
    x = 22,303,296,359.16/135,039.40
  6. Step 6: Final answer
    x = 165,161.40

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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.