Home / 168,290.15-232,172.61-107,849.67

Finding the Fourth Proportional to 168,290.15, 232,172.61 and 107,849.67

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Solution

The fourth proportional to 168,290.15, 232,172.61 and 107,849.67 is: 148,789.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,290.15 : 232,172.61 = 107,849.67 : x
  2. Step 2: Convert to fraction form
    168,290.15/232,172.61 = 107,849.67/x
  3. Step 3: Cross multiply
    168,290.15x = 232,172.61 × 107,849.67
  4. Step 4: Simplify right side
    168,290.15x = 25,039,739,371.54
  5. Step 5: Solve for x
    x = 25,039,739,371.54/168,290.15
  6. Step 6: Final answer
    x = 148,789.10

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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.