Home / 198,054.45-273,313.98-107,409.51

Finding the Fourth Proportional to 198,054.45, 273,313.98 and 107,409.51

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Solution

The fourth proportional to 198,054.45, 273,313.98 and 107,409.51 is: 148,224.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,054.45 : 273,313.98 = 107,409.51 : x
  2. Step 2: Convert to fraction form
    198,054.45/273,313.98 = 107,409.51/x
  3. Step 3: Cross multiply
    198,054.45x = 273,313.98 × 107,409.51
  4. Step 4: Simplify right side
    198,054.45x = 29,356,520,667.95
  5. Step 5: Solve for x
    x = 29,356,520,667.95/198,054.45
  6. Step 6: Final answer
    x = 148,224.49

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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.