Home / 150,581.86-207,840.79-102,265.56

Finding the Fourth Proportional to 150,581.86, 207,840.79 and 102,265.56

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Solution

The fourth proportional to 150,581.86, 207,840.79 and 102,265.56 is: 141,152.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,581.86 : 207,840.79 = 102,265.56 : x
  2. Step 2: Convert to fraction form
    150,581.86/207,840.79 = 102,265.56/x
  3. Step 3: Cross multiply
    150,581.86x = 207,840.79 × 102,265.56
  4. Step 4: Simplify right side
    150,581.86x = 21,254,954,917.33
  5. Step 5: Solve for x
    x = 21,254,954,917.33/150,581.86
  6. Step 6: Final answer
    x = 141,152.16

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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.