Home / 199,208.38-274,907.56-109,784.38

Finding the Fourth Proportional to 199,208.38, 274,907.56 and 109,784.38

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Solution

The fourth proportional to 199,208.38, 274,907.56 and 109,784.38 is: 151,502.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,208.38 : 274,907.56 = 109,784.38 : x
  2. Step 2: Convert to fraction form
    199,208.38/274,907.56 = 109,784.38/x
  3. Step 3: Cross multiply
    199,208.38x = 274,907.56 × 109,784.38
  4. Step 4: Simplify right side
    199,208.38x = 30,180,556,031.91
  5. Step 5: Solve for x
    x = 30,180,556,031.91/199,208.38
  6. Step 6: Final answer
    x = 151,502.44

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1.5x scale

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.