Home / 200,541.08-276,720.37-119,939.20

Finding the Fourth Proportional to 200,541.08, 276,720.37 and 119,939.20

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Solution

The fourth proportional to 200,541.08, 276,720.37 and 119,939.20 is: 165,500.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,541.08 : 276,720.37 = 119,939.20 : x
  2. Step 2: Convert to fraction form
    200,541.08/276,720.37 = 119,939.20/x
  3. Step 3: Cross multiply
    200,541.08x = 276,720.37 × 119,939.20
  4. Step 4: Simplify right side
    200,541.08x = 33,189,618,809.86
  5. Step 5: Solve for x
    x = 33,189,618,809.86/200,541.08
  6. Step 6: Final answer
    x = 165,500.35

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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.