Home / 150,074.87-225,112.64-61,328.36

Finding the Fourth Proportional to 150,074.87, 225,112.64 and 61,328.36

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Solution

The fourth proportional to 150,074.87, 225,112.64 and 61,328.36 is: 91,992.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,074.87 : 225,112.64 = 61,328.36 : x
  2. Step 2: Convert to fraction form
    150,074.87/225,112.64 = 61,328.36/x
  3. Step 3: Cross multiply
    150,074.87x = 225,112.64 × 61,328.36
  4. Step 4: Simplify right side
    150,074.87x = 13,805,789,282.61
  5. Step 5: Solve for x
    x = 13,805,789,282.61/150,074.87
  6. Step 6: Final answer
    x = 91,992.68

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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.