Home / 312,185.24-430,815.60-168,945.26

Finding the Fourth Proportional to 312,185.24, 430,815.60 and 168,945.26

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Solution

The fourth proportional to 312,185.24, 430,815.60 and 168,945.26 is: 233,144.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,185.24 : 430,815.60 = 168,945.26 : x
  2. Step 2: Convert to fraction form
    312,185.24/430,815.60 = 168,945.26/x
  3. Step 3: Cross multiply
    312,185.24x = 430,815.60 × 168,945.26
  4. Step 4: Simplify right side
    312,185.24x = 72,784,253,554.06
  5. Step 5: Solve for x
    x = 72,784,253,554.06/312,185.24
  6. Step 6: Final answer
    x = 233,144.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.