Home / 186,288.26-279,479.09-73,931.37

Finding the Fourth Proportional to 186,288.26, 279,479.09 and 73,931.37

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Solution

The fourth proportional to 186,288.26, 279,479.09 and 73,931.37 is: 110,915.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,288.26 : 279,479.09 = 73,931.37 : x
  2. Step 2: Convert to fraction form
    186,288.26/279,479.09 = 73,931.37/x
  3. Step 3: Cross multiply
    186,288.26x = 279,479.09 × 73,931.37
  4. Step 4: Simplify right side
    186,288.26x = 20,662,271,146.84
  5. Step 5: Solve for x
    x = 20,662,271,146.84/186,288.26
  6. Step 6: Final answer
    x = 110,915.59

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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.