Home / 165,912.40-248,844.30-47,571.40

Finding the Fourth Proportional to 165,912.40, 248,844.30 and 47,571.40

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Solution

The fourth proportional to 165,912.40, 248,844.30 and 47,571.40 is: 71,350.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,912.40 : 248,844.30 = 47,571.40 : x
  2. Step 2: Convert to fraction form
    165,912.40/248,844.30 = 47,571.40/x
  3. Step 3: Cross multiply
    165,912.40x = 248,844.30 × 47,571.40
  4. Step 4: Simplify right side
    165,912.40x = 11,837,871,733.02
  5. Step 5: Solve for x
    x = 11,837,871,733.02/165,912.40
  6. Step 6: Final answer
    x = 71,350.13

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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.