Home / 205,582.44-308,382.66-70,739.40

Finding the Fourth Proportional to 205,582.44, 308,382.66 and 70,739.40

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Solution

The fourth proportional to 205,582.44, 308,382.66 and 70,739.40 is: 106,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,582.44 : 308,382.66 = 70,739.40 : x
  2. Step 2: Convert to fraction form
    205,582.44/308,382.66 = 70,739.40/x
  3. Step 3: Cross multiply
    205,582.44x = 308,382.66 × 70,739.40
  4. Step 4: Simplify right side
    205,582.44x = 21,814,804,338.80
  5. Step 5: Solve for x
    x = 21,814,804,338.80/205,582.44
  6. Step 6: Final answer
    x = 106,112.20

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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.