Home / 200,539.38-276,744.35-111,115.38

Finding the Fourth Proportional to 200,539.38, 276,744.35 and 111,115.38

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Solution

The fourth proportional to 200,539.38, 276,744.35 and 111,115.38 is: 153,339.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,539.38 : 276,744.35 = 111,115.38 : x
  2. Step 2: Convert to fraction form
    200,539.38/276,744.35 = 111,115.38/x
  3. Step 3: Cross multiply
    200,539.38x = 276,744.35 × 111,115.38
  4. Step 4: Simplify right side
    200,539.38x = 30,750,553,613.10
  5. Step 5: Solve for x
    x = 30,750,553,613.10/200,539.38
  6. Step 6: Final answer
    x = 153,339.23

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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.