Home / 312,173.33-430,799.19-168,933.36

Finding the Fourth Proportional to 312,173.33, 430,799.19 and 168,933.36

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Solution

The fourth proportional to 312,173.33, 430,799.19 and 168,933.36 is: 233,128.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,173.33 : 430,799.19 = 168,933.36 : x
  2. Step 2: Convert to fraction form
    312,173.33/430,799.19 = 168,933.36/x
  3. Step 3: Cross multiply
    312,173.33x = 430,799.19 × 168,933.36
  4. Step 4: Simplify right side
    312,173.33x = 72,776,354,651.98
  5. Step 5: Solve for x
    x = 72,776,354,651.98/312,173.33
  6. Step 6: Final answer
    x = 233,128.04

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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.