Home / 190,629.49-285,744.70-64,226.06

Finding the Fourth Proportional to 190,629.49, 285,744.70 and 64,226.06

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Solution

The fourth proportional to 190,629.49, 285,744.70 and 64,226.06 is: 96,271.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,629.49 : 285,744.70 = 64,226.06 : x
  2. Step 2: Convert to fraction form
    190,629.49/285,744.70 = 64,226.06/x
  3. Step 3: Cross multiply
    190,629.49x = 285,744.70 × 64,226.06
  4. Step 4: Simplify right side
    190,629.49x = 18,352,254,497.03
  5. Step 5: Solve for x
    x = 18,352,254,497.03/190,629.49
  6. Step 6: Final answer
    x = 96,271.86

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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.