Home / 245,742.75-368,757.44-103,579.34

Finding the Fourth Proportional to 245,742.75, 368,757.44 and 103,579.34

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Solution

The fourth proportional to 245,742.75, 368,757.44 and 103,579.34 is: 155,429.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,742.75 : 368,757.44 = 103,579.34 : x
  2. Step 2: Convert to fraction form
    245,742.75/368,757.44 = 103,579.34/x
  3. Step 3: Cross multiply
    245,742.75x = 368,757.44 × 103,579.34
  4. Step 4: Simplify right side
    245,742.75x = 38,195,649,893.61
  5. Step 5: Solve for x
    x = 38,195,649,893.61/245,742.75
  6. Step 6: Final answer
    x = 155,429.41

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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.