Home / 190,773.49-263,338.11-163,807.69

Finding the Fourth Proportional to 190,773.49, 263,338.11 and 163,807.69

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Solution

The fourth proportional to 190,773.49, 263,338.11 and 163,807.69 is: 226,115.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,773.49 : 263,338.11 = 163,807.69 : x
  2. Step 2: Convert to fraction form
    190,773.49/263,338.11 = 163,807.69/x
  3. Step 3: Cross multiply
    190,773.49x = 263,338.11 × 163,807.69
  4. Step 4: Simplify right side
    190,773.49x = 43,136,807,488.07
  5. Step 5: Solve for x
    x = 43,136,807,488.07/190,773.49
  6. Step 6: Final answer
    x = 226,115.31

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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.