Home / 200,401.92-276,604.56-115,570.08

Finding the Fourth Proportional to 200,401.92, 276,604.56 and 115,570.08

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Solution

The fourth proportional to 200,401.92, 276,604.56 and 115,570.08 is: 159,515.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,401.92 : 276,604.56 = 115,570.08 : x
  2. Step 2: Convert to fraction form
    200,401.92/276,604.56 = 115,570.08/x
  3. Step 3: Cross multiply
    200,401.92x = 276,604.56 × 115,570.08
  4. Step 4: Simplify right side
    200,401.92x = 31,967,211,127.56
  5. Step 5: Solve for x
    x = 31,967,211,127.56/200,401.92
  6. Step 6: Final answer
    x = 159,515.49

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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.