Home / 209,054.37-288,484.26-113,560.83

Finding the Fourth Proportional to 209,054.37, 288,484.26 and 113,560.83

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Solution

The fourth proportional to 209,054.37, 288,484.26 and 113,560.83 is: 156,708.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,054.37 : 288,484.26 = 113,560.83 : x
  2. Step 2: Convert to fraction form
    209,054.37/288,484.26 = 113,560.83/x
  3. Step 3: Cross multiply
    209,054.37x = 288,484.26 × 113,560.83
  4. Step 4: Simplify right side
    209,054.37x = 32,760,512,007.54
  5. Step 5: Solve for x
    x = 32,760,512,007.54/209,054.37
  6. Step 6: Final answer
    x = 156,708.09

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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.