Home / 190,784.85-263,284.11-119,206.38

Finding the Fourth Proportional to 190,784.85, 263,284.11 and 119,206.38

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Solution

The fourth proportional to 190,784.85, 263,284.11 and 119,206.38 is: 164,505.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,784.85 : 263,284.11 = 119,206.38 : x
  2. Step 2: Convert to fraction form
    190,784.85/263,284.11 = 119,206.38/x
  3. Step 3: Cross multiply
    190,784.85x = 263,284.11 × 119,206.38
  4. Step 4: Simplify right side
    190,784.85x = 31,385,145,664.62
  5. Step 5: Solve for x
    x = 31,385,145,664.62/190,784.85
  6. Step 6: Final answer
    x = 164,505.44

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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.