Home / 165,557.55-248,245.61-65,616.51

Finding the Fourth Proportional to 165,557.55, 248,245.61 and 65,616.51

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Solution

The fourth proportional to 165,557.55, 248,245.61 and 65,616.51 is: 98,388.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,557.55 : 248,245.61 = 65,616.51 : x
  2. Step 2: Convert to fraction form
    165,557.55/248,245.61 = 65,616.51/x
  3. Step 3: Cross multiply
    165,557.55x = 248,245.61 × 65,616.51
  4. Step 4: Simplify right side
    165,557.55x = 16,289,010,222.94
  5. Step 5: Solve for x
    x = 16,289,010,222.94/165,557.55
  6. Step 6: Final answer
    x = 98,388.81

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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.