Home / 190,784.72-263,283.94-119,206.28

Finding the Fourth Proportional to 190,784.72, 263,283.94 and 119,206.28

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Solution

The fourth proportional to 190,784.72, 263,283.94 and 119,206.28 is: 164,505.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,784.72 : 263,283.94 = 119,206.28 : x
  2. Step 2: Convert to fraction form
    190,784.72/263,283.94 = 119,206.28/x
  3. Step 3: Cross multiply
    190,784.72x = 263,283.94 × 119,206.28
  4. Step 4: Simplify right side
    190,784.72x = 31,385,099,071.14
  5. Step 5: Solve for x
    x = 31,385,099,071.14/190,784.72
  6. Step 6: Final answer
    x = 164,505.31

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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.