Home / 200,220.85-276,277.44-119,631.25

Finding the Fourth Proportional to 200,220.85, 276,277.44 and 119,631.25

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Solution

The fourth proportional to 200,220.85, 276,277.44 and 119,631.25 is: 165,074.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,220.85 : 276,277.44 = 119,631.25 : x
  2. Step 2: Convert to fraction form
    200,220.85/276,277.44 = 119,631.25/x
  3. Step 3: Cross multiply
    200,220.85x = 276,277.44 × 119,631.25
  4. Step 4: Simplify right side
    200,220.85x = 33,051,415,494
  5. Step 5: Solve for x
    x = 33,051,415,494/200,220.85
  6. Step 6: Final answer
    x = 165,074.79

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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.