Home / 197,856.06-273,046.38-121,417.37

Finding the Fourth Proportional to 197,856.06, 273,046.38 and 121,417.37

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Solution

The fourth proportional to 197,856.06, 273,046.38 and 121,417.37 is: 167,559.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,856.06 : 273,046.38 = 121,417.37 : x
  2. Step 2: Convert to fraction form
    197,856.06/273,046.38 = 121,417.37/x
  3. Step 3: Cross multiply
    197,856.06x = 273,046.38 × 121,417.37
  4. Step 4: Simplify right side
    197,856.06x = 33,152,572,551.00
  5. Step 5: Solve for x
    x = 33,152,572,551.00/197,856.06
  6. Step 6: Final answer
    x = 167,559.05

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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.