Home / 149,608.86-206,486.93-89,183.36

Finding the Fourth Proportional to 149,608.86, 206,486.93 and 89,183.36

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Solution

The fourth proportional to 149,608.86, 206,486.93 and 89,183.36 is: 123,088.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,608.86 : 206,486.93 = 89,183.36 : x
  2. Step 2: Convert to fraction form
    149,608.86/206,486.93 = 89,183.36/x
  3. Step 3: Cross multiply
    149,608.86x = 206,486.93 × 89,183.36
  4. Step 4: Simplify right side
    149,608.86x = 18,415,197,404.01
  5. Step 5: Solve for x
    x = 18,415,197,404.01/149,608.86
  6. Step 6: Final answer
    x = 123,088.95

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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.