Home / 161,301.06-222,592.58-89,679.54

Finding the Fourth Proportional to 161,301.06, 222,592.58 and 89,679.54

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Solution

The fourth proportional to 161,301.06, 222,592.58 and 89,679.54 is: 123,756.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,301.06 : 222,592.58 = 89,679.54 : x
  2. Step 2: Convert to fraction form
    161,301.06/222,592.58 = 89,679.54/x
  3. Step 3: Cross multiply
    161,301.06x = 222,592.58 × 89,679.54
  4. Step 4: Simplify right side
    161,301.06x = 19,962,000,181.81
  5. Step 5: Solve for x
    x = 19,962,000,181.81/161,301.06
  6. Step 6: Final answer
    x = 123,756.16

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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.