Home / 200,008.56-276,042.96-115,107.60

Finding the Fourth Proportional to 200,008.56, 276,042.96 and 115,107.60

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Solution

The fourth proportional to 200,008.56, 276,042.96 and 115,107.60 is: 158,866.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,008.56 : 276,042.96 = 115,107.60 : x
  2. Step 2: Convert to fraction form
    200,008.56/276,042.96 = 115,107.60/x
  3. Step 3: Cross multiply
    200,008.56x = 276,042.96 × 115,107.60
  4. Step 4: Simplify right side
    200,008.56x = 31,774,642,622.50
  5. Step 5: Solve for x
    x = 31,774,642,622.50/200,008.56
  6. Step 6: Final answer
    x = 158,866.41

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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.