Home / 200,485.20-276,657.84-109,823.16

Finding the Fourth Proportional to 200,485.20, 276,657.84 and 109,823.16

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Solution

The fourth proportional to 200,485.20, 276,657.84 and 109,823.16 is: 151,549.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,485.20 : 276,657.84 = 109,823.16 : x
  2. Step 2: Convert to fraction form
    200,485.20/276,657.84 = 109,823.16/x
  3. Step 3: Cross multiply
    200,485.20x = 276,657.84 × 109,823.16
  4. Step 4: Simplify right side
    200,485.20x = 30,383,438,227.57
  5. Step 5: Solve for x
    x = 30,383,438,227.57/200,485.20
  6. Step 6: Final answer
    x = 151,549.53

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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.