Home / 161,383.91-222,709.19-89,763.93

Finding the Fourth Proportional to 161,383.91, 222,709.19 and 89,763.93

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Solution

The fourth proportional to 161,383.91, 222,709.19 and 89,763.93 is: 123,873.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,383.91 : 222,709.19 = 89,763.93 : x
  2. Step 2: Convert to fraction form
    161,383.91/222,709.19 = 89,763.93/x
  3. Step 3: Cross multiply
    161,383.91x = 222,709.19 × 89,763.93
  4. Step 4: Simplify right side
    161,383.91x = 19,991,251,692.70
  5. Step 5: Solve for x
    x = 19,991,251,692.70/161,383.91
  6. Step 6: Final answer
    x = 123,873.89

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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.