Home / 161,555.37-222,935.67-89,933.55

Finding the Fourth Proportional to 161,555.37, 222,935.67 and 89,933.55

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Solution

The fourth proportional to 161,555.37, 222,935.67 and 89,933.55 is: 124,102.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,555.37 : 222,935.67 = 89,933.55 : x
  2. Step 2: Convert to fraction form
    161,555.37/222,935.67 = 89,933.55/x
  3. Step 3: Cross multiply
    161,555.37x = 222,935.67 × 89,933.55
  4. Step 4: Simplify right side
    161,555.37x = 20,049,396,224.73
  5. Step 5: Solve for x
    x = 20,049,396,224.73/161,555.37
  6. Step 6: Final answer
    x = 124,102.32

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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.