Home / 245,701.35-368,551.82-68,208.28

Finding the Fourth Proportional to 245,701.35, 368,551.82 and 68,208.28

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Solution

The fourth proportional to 245,701.35, 368,551.82 and 68,208.28 is: 102,312.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,701.35 : 368,551.82 = 68,208.28 : x
  2. Step 2: Convert to fraction form
    245,701.35/368,551.82 = 68,208.28/x
  3. Step 3: Cross multiply
    245,701.35x = 368,551.82 × 68,208.28
  4. Step 4: Simplify right side
    245,701.35x = 25,138,284,982.21
  5. Step 5: Solve for x
    x = 25,138,284,982.21/245,701.35
  6. Step 6: Final answer
    x = 102,312.36

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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.