Home / 205,566.28-283,728.84-133,821.32

Finding the Fourth Proportional to 205,566.28, 283,728.84 and 133,821.32

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Solution

The fourth proportional to 205,566.28, 283,728.84 and 133,821.32 is: 184,704.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,566.28 : 283,728.84 = 133,821.32 : x
  2. Step 2: Convert to fraction form
    205,566.28/283,728.84 = 133,821.32/x
  3. Step 3: Cross multiply
    205,566.28x = 283,728.84 × 133,821.32
  4. Step 4: Simplify right side
    205,566.28x = 37,968,967,890.87
  5. Step 5: Solve for x
    x = 37,968,967,890.87/205,566.28
  6. Step 6: Final answer
    x = 184,704.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.