Home / 263,615.07-363,795.56-161,696.84

Finding the Fourth Proportional to 263,615.07, 363,795.56 and 161,696.84

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Solution

The fourth proportional to 263,615.07, 363,795.56 and 161,696.84 is: 223,145.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,615.07 : 363,795.56 = 161,696.84 : x
  2. Step 2: Convert to fraction form
    263,615.07/363,795.56 = 161,696.84/x
  3. Step 3: Cross multiply
    263,615.07x = 363,795.56 × 161,696.84
  4. Step 4: Simplify right side
    263,615.07x = 58,824,589,830.57
  5. Step 5: Solve for x
    x = 58,824,589,830.57/263,615.07
  6. Step 6: Final answer
    x = 223,145.78

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1.5x scale

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.