Home / 165,391.49-248,020.45-64,136.23

Finding the Fourth Proportional to 165,391.49, 248,020.45 and 64,136.23

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Solution

The fourth proportional to 165,391.49, 248,020.45 and 64,136.23 is: 96,178.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,391.49 : 248,020.45 = 64,136.23 : x
  2. Step 2: Convert to fraction form
    165,391.49/248,020.45 = 64,136.23/x
  3. Step 3: Cross multiply
    165,391.49x = 248,020.45 × 64,136.23
  4. Step 4: Simplify right side
    165,391.49x = 15,907,095,065.12
  5. Step 5: Solve for x
    x = 15,907,095,065.12/165,391.49
  6. Step 6: Final answer
    x = 96,178.44

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1.5x scale

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.