Home / 200,531.64-276,733.64-111,107.64

Finding the Fourth Proportional to 200,531.64, 276,733.64 and 111,107.64

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Solution

The fourth proportional to 200,531.64, 276,733.64 and 111,107.64 is: 153,328.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,531.64 : 276,733.64 = 111,107.64 : x
  2. Step 2: Convert to fraction form
    200,531.64/276,733.64 = 111,107.64/x
  3. Step 3: Cross multiply
    200,531.64x = 276,733.64 × 111,107.64
  4. Step 4: Simplify right side
    200,531.64x = 30,747,221,649.01
  5. Step 5: Solve for x
    x = 30,747,221,649.01/200,531.64
  6. Step 6: Final answer
    x = 153,328.53

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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.