Home / 169,556.32-254,453.55-69,807.25

Finding the Fourth Proportional to 169,556.32, 254,453.55 and 69,807.25

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Solution

The fourth proportional to 169,556.32, 254,453.55 and 69,807.25 is: 104,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,556.32 : 254,453.55 = 69,807.25 : x
  2. Step 2: Convert to fraction form
    169,556.32/254,453.55 = 69,807.25/x
  3. Step 3: Cross multiply
    169,556.32x = 254,453.55 × 69,807.25
  4. Step 4: Simplify right side
    169,556.32x = 17,762,702,578.24
  5. Step 5: Solve for x
    x = 17,762,702,578.24/169,556.32
  6. Step 6: Final answer
    x = 104,759.90

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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.