Home / 200,120.34-276,181.07-114,081.38

Finding the Fourth Proportional to 200,120.34, 276,181.07 and 114,081.38

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Solution

The fourth proportional to 200,120.34, 276,181.07 and 114,081.38 is: 157,440.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,120.34 : 276,181.07 = 114,081.38 : x
  2. Step 2: Convert to fraction form
    200,120.34/276,181.07 = 114,081.38/x
  3. Step 3: Cross multiply
    200,120.34x = 276,181.07 × 114,081.38
  4. Step 4: Simplify right side
    200,120.34x = 31,507,115,644.16
  5. Step 5: Solve for x
    x = 31,507,115,644.16/200,120.34
  6. Step 6: Final answer
    x = 157,440.85

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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.