Home / 197,905.31-273,112.65-107,264.19

Finding the Fourth Proportional to 197,905.31, 273,112.65 and 107,264.19

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Solution

The fourth proportional to 197,905.31, 273,112.65 and 107,264.19 is: 148,026.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,905.31 : 273,112.65 = 107,264.19 : x
  2. Step 2: Convert to fraction form
    197,905.31/273,112.65 = 107,264.19/x
  3. Step 3: Cross multiply
    197,905.31x = 273,112.65 × 107,264.19
  4. Step 4: Simplify right side
    197,905.31x = 29,295,206,644.68
  5. Step 5: Solve for x
    x = 29,295,206,644.68/197,905.31
  6. Step 6: Final answer
    x = 148,026.38

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1.5x scale

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.