Home / 161,313.08-222,610.68-89,692.47

Finding the Fourth Proportional to 161,313.08, 222,610.68 and 89,692.47

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Solution

The fourth proportional to 161,313.08, 222,610.68 and 89,692.47 is: 123,774.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,313.08 : 222,610.68 = 89,692.47 : x
  2. Step 2: Convert to fraction form
    161,313.08/222,610.68 = 89,692.47/x
  3. Step 3: Cross multiply
    161,313.08x = 222,610.68 × 89,692.47
  4. Step 4: Simplify right side
    161,313.08x = 19,966,501,737.58
  5. Step 5: Solve for x
    x = 19,966,501,737.58/161,313.08
  6. Step 6: Final answer
    x = 123,774.85

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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.