Home / 163,608.37-245,367.19-103,597.81

Finding the Fourth Proportional to 163,608.37, 245,367.19 and 103,597.81

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Solution

The fourth proportional to 163,608.37, 245,367.19 and 103,597.81 is: 155,367.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,608.37 : 245,367.19 = 103,597.81 : x
  2. Step 2: Convert to fraction form
    163,608.37/245,367.19 = 103,597.81/x
  3. Step 3: Cross multiply
    163,608.37x = 245,367.19 × 103,597.81
  4. Step 4: Simplify right side
    163,608.37x = 25,419,503,529.85
  5. Step 5: Solve for x
    x = 25,419,503,529.85/163,608.37
  6. Step 6: Final answer
    x = 155,367.99

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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.