Home / 200,042.60-276,084.90-115,163.24

Finding the Fourth Proportional to 200,042.60, 276,084.90 and 115,163.24

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Solution

The fourth proportional to 200,042.60, 276,084.90 and 115,163.24 is: 158,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,042.60 : 276,084.90 = 115,163.24 : x
  2. Step 2: Convert to fraction form
    200,042.60/276,084.90 = 115,163.24/x
  3. Step 3: Cross multiply
    200,042.60x = 276,084.90 × 115,163.24
  4. Step 4: Simplify right side
    200,042.60x = 31,794,831,599.08
  5. Step 5: Solve for x
    x = 31,794,831,599.08/200,042.60
  6. Step 6: Final answer
    x = 158,940.30

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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.