Home / 200,131.56-276,177.40-109,487.30

Finding the Fourth Proportional to 200,131.56, 276,177.40 and 109,487.30

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Solution

The fourth proportional to 200,131.56, 276,177.40 and 109,487.30 is: 151,090.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,131.56 : 276,177.40 = 109,487.30 : x
  2. Step 2: Convert to fraction form
    200,131.56/276,177.40 = 109,487.30/x
  3. Step 3: Cross multiply
    200,131.56x = 276,177.40 × 109,487.30
  4. Step 4: Simplify right side
    200,131.56x = 30,237,916,192.41
  5. Step 5: Solve for x
    x = 30,237,916,192.41/200,131.56
  6. Step 6: Final answer
    x = 151,090.19

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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.