Home / 165,918.99-248,915.34-47,581.23

Finding the Fourth Proportional to 165,918.99, 248,915.34 and 47,581.23

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Solution

The fourth proportional to 165,918.99, 248,915.34 and 47,581.23 is: 71,382.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,918.99 : 248,915.34 = 47,581.23 : x
  2. Step 2: Convert to fraction form
    165,918.99/248,915.34 = 47,581.23/x
  3. Step 3: Cross multiply
    165,918.99x = 248,915.34 × 47,581.23
  4. Step 4: Simplify right side
    165,918.99x = 11,843,698,043.07
  5. Step 5: Solve for x
    x = 11,843,698,043.07/165,918.99
  6. Step 6: Final answer
    x = 71,382.41

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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.