Home / 186,223.03-279,232.48-73,789.36

Finding the Fourth Proportional to 186,223.03, 279,232.48 and 73,789.36

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Solution

The fourth proportional to 186,223.03, 279,232.48 and 73,789.36 is: 110,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,223.03 : 279,232.48 = 73,789.36 : x
  2. Step 2: Convert to fraction form
    186,223.03/279,232.48 = 73,789.36/x
  3. Step 3: Cross multiply
    186,223.03x = 279,232.48 × 73,789.36
  4. Step 4: Simplify right side
    186,223.03x = 20,604,385,990.41
  5. Step 5: Solve for x
    x = 20,604,385,990.41/186,223.03
  6. Step 6: Final answer
    x = 110,643.60

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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.