Home / 150,958.26-207,962.32-105,551.28

Finding the Fourth Proportional to 150,958.26, 207,962.32 and 105,551.28

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Solution

The fourth proportional to 150,958.26, 207,962.32 and 105,551.28 is: 145,409.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,958.26 : 207,962.32 = 105,551.28 : x
  2. Step 2: Convert to fraction form
    150,958.26/207,962.32 = 105,551.28/x
  3. Step 3: Cross multiply
    150,958.26x = 207,962.32 × 105,551.28
  4. Step 4: Simplify right side
    150,958.26x = 21,950,689,067.77
  5. Step 5: Solve for x
    x = 21,950,689,067.77/150,958.26
  6. Step 6: Final answer
    x = 145,409.00

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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.