Home / 270,828.26-406,196.22-81,237.23

Finding the Fourth Proportional to 270,828.26, 406,196.22 and 81,237.23

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Solution

The fourth proportional to 270,828.26, 406,196.22 and 81,237.23 is: 121,842.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,828.26 : 406,196.22 = 81,237.23 : x
  2. Step 2: Convert to fraction form
    270,828.26/406,196.22 = 81,237.23/x
  3. Step 3: Cross multiply
    270,828.26x = 406,196.22 × 81,237.23
  4. Step 4: Simplify right side
    270,828.26x = 32,998,255,749.27
  5. Step 5: Solve for x
    x = 32,998,255,749.27/270,828.26
  6. Step 6: Final answer
    x = 121,842.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.