Home / 186,133.24-256,805.94-105,554.44

Finding the Fourth Proportional to 186,133.24, 256,805.94 and 105,554.44

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Solution

The fourth proportional to 186,133.24, 256,805.94 and 105,554.44 is: 145,632.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,133.24 : 256,805.94 = 105,554.44 : x
  2. Step 2: Convert to fraction form
    186,133.24/256,805.94 = 105,554.44/x
  3. Step 3: Cross multiply
    186,133.24x = 256,805.94 × 105,554.44
  4. Step 4: Simplify right side
    186,133.24x = 27,107,007,185.37
  5. Step 5: Solve for x
    x = 27,107,007,185.37/186,133.24
  6. Step 6: Final answer
    x = 145,632.27

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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.