Home / 190,696.51-285,933.99-72,303.27

Finding the Fourth Proportional to 190,696.51, 285,933.99 and 72,303.27

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Solution

The fourth proportional to 190,696.51, 285,933.99 and 72,303.27 is: 108,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,696.51 : 285,933.99 = 72,303.27 : x
  2. Step 2: Convert to fraction form
    190,696.51/285,933.99 = 72,303.27/x
  3. Step 3: Cross multiply
    190,696.51x = 285,933.99 × 72,303.27
  4. Step 4: Simplify right side
    190,696.51x = 20,673,961,680.03
  5. Step 5: Solve for x
    x = 20,673,961,680.03/190,696.51
  6. Step 6: Final answer
    x = 108,412.90

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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.