Home / 168,824.96-253,143.94-69,055.20

Finding the Fourth Proportional to 168,824.96, 253,143.94 and 69,055.20

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Solution

The fourth proportional to 168,824.96, 253,143.94 and 69,055.20 is: 103,544.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,824.96 : 253,143.94 = 69,055.20 : x
  2. Step 2: Convert to fraction form
    168,824.96/253,143.94 = 69,055.20/x
  3. Step 3: Cross multiply
    168,824.96x = 253,143.94 × 69,055.20
  4. Step 4: Simplify right side
    168,824.96x = 17,480,905,405.49
  5. Step 5: Solve for x
    x = 17,480,905,405.49/168,824.96
  6. Step 6: Final answer
    x = 103,544.56

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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.