Home / 161,474.08-222,708-104,903.68

Finding the Fourth Proportional to 161,474.08, 222,708 and 104,903.68

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Solution

The fourth proportional to 161,474.08, 222,708 and 104,903.68 is: 144,685.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,474.08 : 222,708 = 104,903.68 : x
  2. Step 2: Convert to fraction form
    161,474.08/222,708 = 104,903.68/x
  3. Step 3: Cross multiply
    161,474.08x = 222,708 × 104,903.68
  4. Step 4: Simplify right side
    161,474.08x = 23,362,888,765.44
  5. Step 5: Solve for x
    x = 23,362,888,765.44/161,474.08
  6. Step 6: Final answer
    x = 144,685.07

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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.