Home / 169,778.44-254,694.03-51,421.60

Finding the Fourth Proportional to 169,778.44, 254,694.03 and 51,421.60

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Solution

The fourth proportional to 169,778.44, 254,694.03 and 51,421.60 is: 77,140.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,778.44 : 254,694.03 = 51,421.60 : x
  2. Step 2: Convert to fraction form
    169,778.44/254,694.03 = 51,421.60/x
  3. Step 3: Cross multiply
    169,778.44x = 254,694.03 × 51,421.60
  4. Step 4: Simplify right side
    169,778.44x = 13,096,774,533.05
  5. Step 5: Solve for x
    x = 13,096,774,533.05/169,778.44
  6. Step 6: Final answer
    x = 77,140.39

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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.