Home / 161,313.21-222,611.00-89,692.61

Finding the Fourth Proportional to 161,313.21, 222,611.00 and 89,692.61

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Solution

The fourth proportional to 161,313.21, 222,611.00 and 89,692.61 is: 123,775.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,313.21 : 222,611.00 = 89,692.61 : x
  2. Step 2: Convert to fraction form
    161,313.21/222,611.00 = 89,692.61/x
  3. Step 3: Cross multiply
    161,313.21x = 222,611.00 × 89,692.61
  4. Step 4: Simplify right side
    161,313.21x = 19,966,560,043.19
  5. Step 5: Solve for x
    x = 19,966,560,043.19/161,313.21
  6. Step 6: Final answer
    x = 123,775.11

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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.