Home / 200,697.18-276,918.75-115,765.03

Finding the Fourth Proportional to 200,697.18, 276,918.75 and 115,765.03

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Solution

The fourth proportional to 200,697.18, 276,918.75 and 115,765.03 is: 159,730.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,697.18 : 276,918.75 = 115,765.03 : x
  2. Step 2: Convert to fraction form
    200,697.18/276,918.75 = 115,765.03/x
  3. Step 3: Cross multiply
    200,697.18x = 276,918.75 × 115,765.03
  4. Step 4: Simplify right side
    200,697.18x = 32,057,507,747.46
  5. Step 5: Solve for x
    x = 32,057,507,747.46/200,697.18
  6. Step 6: Final answer
    x = 159,730.74

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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.