Home / 205,986.40-308,785.20-184,991.20

Finding the Fourth Proportional to 205,986.40, 308,785.20 and 184,991.20

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Solution

The fourth proportional to 205,986.40, 308,785.20 and 184,991.20 is: 277,312.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,986.40 : 308,785.20 = 184,991.20 : x
  2. Step 2: Convert to fraction form
    205,986.40/308,785.20 = 184,991.20/x
  3. Step 3: Cross multiply
    205,986.40x = 308,785.20 × 184,991.20
  4. Step 4: Simplify right side
    205,986.40x = 57,122,544,690.24
  5. Step 5: Solve for x
    x = 57,122,544,690.24/205,986.40
  6. Step 6: Final answer
    x = 277,312.21

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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.