Home / 161,288.94-222,566.13-89,664.60

Finding the Fourth Proportional to 161,288.94, 222,566.13 and 89,664.60

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Solution

The fourth proportional to 161,288.94, 222,566.13 and 89,664.60 is: 123,730.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,288.94 : 222,566.13 = 89,664.60 : x
  2. Step 2: Convert to fraction form
    161,288.94/222,566.13 = 89,664.60/x
  3. Step 3: Cross multiply
    161,288.94x = 222,566.13 × 89,664.60
  4. Step 4: Simplify right side
    161,288.94x = 19,956,303,020.00
  5. Step 5: Solve for x
    x = 19,956,303,020.00/161,288.94
  6. Step 6: Final answer
    x = 123,730.14

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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.