Home / 161,185.23-222,437.84-89,563.95

Finding the Fourth Proportional to 161,185.23, 222,437.84 and 89,563.95

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Solution

The fourth proportional to 161,185.23, 222,437.84 and 89,563.95 is: 123,599.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,185.23 : 222,437.84 = 89,563.95 : x
  2. Step 2: Convert to fraction form
    161,185.23/222,437.84 = 89,563.95/x
  3. Step 3: Cross multiply
    161,185.23x = 222,437.84 × 89,563.95
  4. Step 4: Simplify right side
    161,185.23x = 19,922,411,132.05
  5. Step 5: Solve for x
    x = 19,922,411,132.05/161,185.23
  6. Step 6: Final answer
    x = 123,599.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.