Home / 205,751.25-283,923.27-115,091.55

Finding the Fourth Proportional to 205,751.25, 283,923.27 and 115,091.55

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Solution

The fourth proportional to 205,751.25, 283,923.27 and 115,091.55 is: 158,818.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,751.25 : 283,923.27 = 115,091.55 : x
  2. Step 2: Convert to fraction form
    205,751.25/283,923.27 = 115,091.55/x
  3. Step 3: Cross multiply
    205,751.25x = 283,923.27 × 115,091.55
  4. Step 4: Simplify right side
    205,751.25x = 32,677,169,225.37
  5. Step 5: Solve for x
    x = 32,677,169,225.37/205,751.25
  6. Step 6: Final answer
    x = 158,818.81

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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.