Home / 368,183.67-551,389.75-209,932.35

Finding the Fourth Proportional to 368,183.67, 551,389.75 and 209,932.35

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Solution

The fourth proportional to 368,183.67, 551,389.75 and 209,932.35 is: 314,393.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,183.67 : 551,389.75 = 209,932.35 : x
  2. Step 2: Convert to fraction form
    368,183.67/551,389.75 = 209,932.35/x
  3. Step 3: Cross multiply
    368,183.67x = 551,389.75 × 209,932.35
  4. Step 4: Simplify right side
    368,183.67x = 115,754,545,983.41
  5. Step 5: Solve for x
    x = 115,754,545,983.41/368,183.67
  6. Step 6: Final answer
    x = 314,393.48

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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.