Home / 200,515.54-276,693.04-115,616.20

Finding the Fourth Proportional to 200,515.54, 276,693.04 and 115,616.20

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Solution

The fourth proportional to 200,515.54, 276,693.04 and 115,616.20 is: 159,539.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,515.54 : 276,693.04 = 115,616.20 : x
  2. Step 2: Convert to fraction form
    200,515.54/276,693.04 = 115,616.20/x
  3. Step 3: Cross multiply
    200,515.54x = 276,693.04 × 115,616.20
  4. Step 4: Simplify right side
    200,515.54x = 31,990,195,889.70
  5. Step 5: Solve for x
    x = 31,990,195,889.70/200,515.54
  6. Step 6: Final answer
    x = 159,539.74

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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.