Home / 200,090.22-276,114.20-109,428.54

Finding the Fourth Proportional to 200,090.22, 276,114.20 and 109,428.54

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Solution

The fourth proportional to 200,090.22, 276,114.20 and 109,428.54 is: 151,005.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,090.22 : 276,114.20 = 109,428.54 : x
  2. Step 2: Convert to fraction form
    200,090.22/276,114.20 = 109,428.54/x
  3. Step 3: Cross multiply
    200,090.22x = 276,114.20 × 109,428.54
  4. Step 4: Simplify right side
    200,090.22x = 30,214,773,779.27
  5. Step 5: Solve for x
    x = 30,214,773,779.27/200,090.22
  6. Step 6: Final answer
    x = 151,005.75

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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.