Home / 200,293.75-276,405.98-109,650.50

Finding the Fourth Proportional to 200,293.75, 276,405.98 and 109,650.50

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Solution

The fourth proportional to 200,293.75, 276,405.98 and 109,650.50 is: 151,318.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,293.75 : 276,405.98 = 109,650.50 : x
  2. Step 2: Convert to fraction form
    200,293.75/276,405.98 = 109,650.50/x
  3. Step 3: Cross multiply
    200,293.75x = 276,405.98 × 109,650.50
  4. Step 4: Simplify right side
    200,293.75x = 30,308,053,909.99
  5. Step 5: Solve for x
    x = 30,308,053,909.99/200,293.75
  6. Step 6: Final answer
    x = 151,318.02

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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.