Home / 161,551.28-222,947.16-89,928.56

Finding the Fourth Proportional to 161,551.28, 222,947.16 and 89,928.56

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Solution

The fourth proportional to 161,551.28, 222,947.16 and 89,928.56 is: 124,104.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,551.28 : 222,947.16 = 89,928.56 : x
  2. Step 2: Convert to fraction form
    161,551.28/222,947.16 = 89,928.56/x
  3. Step 3: Cross multiply
    161,551.28x = 222,947.16 × 89,928.56
  4. Step 4: Simplify right side
    161,551.28x = 20,049,317,054.89
  5. Step 5: Solve for x
    x = 20,049,317,054.89/161,551.28
  6. Step 6: Final answer
    x = 124,104.97

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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.