Home / 199,970.56-276,186.24-136,197.76

Finding the Fourth Proportional to 199,970.56, 276,186.24 and 136,197.76

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Solution

The fourth proportional to 199,970.56, 276,186.24 and 136,197.76 is: 188,107.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,970.56 : 276,186.24 = 136,197.76 : x
  2. Step 2: Convert to fraction form
    199,970.56/276,186.24 = 136,197.76/x
  3. Step 3: Cross multiply
    199,970.56x = 276,186.24 × 136,197.76
  4. Step 4: Simplify right side
    199,970.56x = 37,615,947,230.82
  5. Step 5: Solve for x
    x = 37,615,947,230.82/199,970.56
  6. Step 6: Final answer
    x = 188,107.43

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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.