Home / 151,777.26-209,452.93-83,794.37

Finding the Fourth Proportional to 151,777.26, 209,452.93 and 83,794.37

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Solution

The fourth proportional to 151,777.26, 209,452.93 and 83,794.37 is: 115,636.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,777.26 : 209,452.93 = 83,794.37 : x
  2. Step 2: Convert to fraction form
    151,777.26/209,452.93 = 83,794.37/x
  3. Step 3: Cross multiply
    151,777.26x = 209,452.93 × 83,794.37
  4. Step 4: Simplify right side
    151,777.26x = 17,550,975,999.86
  5. Step 5: Solve for x
    x = 17,550,975,999.86/151,777.26
  6. Step 6: Final answer
    x = 115,636.40

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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.