Home / 186,506.36-279,803.30-74,192.97

Finding the Fourth Proportional to 186,506.36, 279,803.30 and 74,192.97

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Solution

The fourth proportional to 186,506.36, 279,803.30 and 74,192.97 is: 111,306.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,506.36 : 279,803.30 = 74,192.97 : x
  2. Step 2: Convert to fraction form
    186,506.36/279,803.30 = 74,192.97/x
  3. Step 3: Cross multiply
    186,506.36x = 279,803.30 × 74,192.97
  4. Step 4: Simplify right side
    186,506.36x = 20,759,437,471.84
  5. Step 5: Solve for x
    x = 20,759,437,471.84/186,506.36
  6. Step 6: Final answer
    x = 111,306.86

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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.