Home / 200,917.76-301,366.74-74,582.60

Finding the Fourth Proportional to 200,917.76, 301,366.74 and 74,582.60

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Solution

The fourth proportional to 200,917.76, 301,366.74 and 74,582.60 is: 111,870.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,917.76 : 301,366.74 = 74,582.60 : x
  2. Step 2: Convert to fraction form
    200,917.76/301,366.74 = 74,582.60/x
  3. Step 3: Cross multiply
    200,917.76x = 301,366.74 × 74,582.60
  4. Step 4: Simplify right side
    200,917.76x = 22,476,715,022.72
  5. Step 5: Solve for x
    x = 22,476,715,022.72/200,917.76
  6. Step 6: Final answer
    x = 111,870.23

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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.