Home / 159,582.06-220,213.23-87,958.14

Finding the Fourth Proportional to 159,582.06, 220,213.23 and 87,958.14

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Solution

The fourth proportional to 159,582.06, 220,213.23 and 87,958.14 is: 121,376.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,582.06 : 220,213.23 = 87,958.14 : x
  2. Step 2: Convert to fraction form
    159,582.06/220,213.23 = 87,958.14/x
  3. Step 3: Cross multiply
    159,582.06x = 220,213.23 × 87,958.14
  4. Step 4: Simplify right side
    159,582.06x = 19,369,546,114.19
  5. Step 5: Solve for x
    x = 19,369,546,114.19/159,582.06
  6. Step 6: Final answer
    x = 121,376.71

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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.