Home / 319,450.23-479,317.50-169,654.10

Finding the Fourth Proportional to 319,450.23, 479,317.50 and 169,654.10

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Solution

The fourth proportional to 319,450.23, 479,317.50 and 169,654.10 is: 254,556.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,450.23 : 479,317.50 = 169,654.10 : x
  2. Step 2: Convert to fraction form
    319,450.23/479,317.50 = 169,654.10/x
  3. Step 3: Cross multiply
    319,450.23x = 479,317.50 × 169,654.10
  4. Step 4: Simplify right side
    319,450.23x = 81,318,176,680.16
  5. Step 5: Solve for x
    x = 81,318,176,680.16/319,450.23
  6. Step 6: Final answer
    x = 254,556.64

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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.