Home / 205,764.24-308,646.87-111,039.00

Finding the Fourth Proportional to 205,764.24, 308,646.87 and 111,039.00

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Solution

The fourth proportional to 205,764.24, 308,646.87 and 111,039.00 is: 166,558.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,764.24 : 308,646.87 = 111,039.00 : x
  2. Step 2: Convert to fraction form
    205,764.24/308,646.87 = 111,039.00/x
  3. Step 3: Cross multiply
    205,764.24x = 308,646.87 × 111,039.00
  4. Step 4: Simplify right side
    205,764.24x = 34,271,840,116.40
  5. Step 5: Solve for x
    x = 34,271,840,116.40/205,764.24
  6. Step 6: Final answer
    x = 166,558.78

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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.