Home / 200,764.64-274,946.08-198,140.32

Finding the Fourth Proportional to 200,764.64, 274,946.08 and 198,140.32

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Solution

The fourth proportional to 200,764.64, 274,946.08 and 198,140.32 is: 271,352.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,764.64 : 274,946.08 = 198,140.32 : x
  2. Step 2: Convert to fraction form
    200,764.64/274,946.08 = 198,140.32/x
  3. Step 3: Cross multiply
    200,764.64x = 274,946.08 × 198,140.32
  4. Step 4: Simplify right side
    200,764.64x = 54,477,904,273.95
  5. Step 5: Solve for x
    x = 54,477,904,273.95/200,764.64
  6. Step 6: Final answer
    x = 271,352.09

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.