Home / 161,317.20-222,616.98-89,692.94

Finding the Fourth Proportional to 161,317.20, 222,616.98 and 89,692.94

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Solution

The fourth proportional to 161,317.20, 222,616.98 and 89,692.94 is: 123,775.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,317.20 : 222,616.98 = 89,692.94 : x
  2. Step 2: Convert to fraction form
    161,317.20/222,616.98 = 89,692.94/x
  3. Step 3: Cross multiply
    161,317.20x = 222,616.98 × 89,692.94
  4. Step 4: Simplify right side
    161,317.20x = 19,967,171,430.12
  5. Step 5: Solve for x
    x = 19,967,171,430.12/161,317.20
  6. Step 6: Final answer
    x = 123,775.84

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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.