Home / 200,174.48-276,236.52-109,530.08

Finding the Fourth Proportional to 200,174.48, 276,236.52 and 109,530.08

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Solution

The fourth proportional to 200,174.48, 276,236.52 and 109,530.08 is: 151,149.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,174.48 : 276,236.52 = 109,530.08 : x
  2. Step 2: Convert to fraction form
    200,174.48/276,236.52 = 109,530.08/x
  3. Step 3: Cross multiply
    200,174.48x = 276,236.52 × 109,530.08
  4. Step 4: Simplify right side
    200,174.48x = 30,256,208,134.52
  5. Step 5: Solve for x
    x = 30,256,208,134.52/200,174.48
  6. Step 6: Final answer
    x = 151,149.18

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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.