Home / 174,849.20-262,403.40-115,665.20

Finding the Fourth Proportional to 174,849.20, 262,403.40 and 115,665.20

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Solution

The fourth proportional to 174,849.20, 262,403.40 and 115,665.20 is: 173,583.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,849.20 : 262,403.40 = 115,665.20 : x
  2. Step 2: Convert to fraction form
    174,849.20/262,403.40 = 115,665.20/x
  3. Step 3: Cross multiply
    174,849.20x = 262,403.40 × 115,665.20
  4. Step 4: Simplify right side
    174,849.20x = 30,350,941,741.68
  5. Step 5: Solve for x
    x = 30,350,941,741.68/174,849.20
  6. Step 6: Final answer
    x = 173,583.53

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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.