Home / 319,784.37-479,516.09-106,477.13

Finding the Fourth Proportional to 319,784.37, 479,516.09 and 106,477.13

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Solution

The fourth proportional to 319,784.37, 479,516.09 and 106,477.13 is: 159,662.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,784.37 : 479,516.09 = 106,477.13 : x
  2. Step 2: Convert to fraction form
    319,784.37/479,516.09 = 106,477.13/x
  3. Step 3: Cross multiply
    319,784.37x = 479,516.09 × 106,477.13
  4. Step 4: Simplify right side
    319,784.37x = 51,057,494,122.06
  5. Step 5: Solve for x
    x = 51,057,494,122.06/319,784.37
  6. Step 6: Final answer
    x = 159,662.26

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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.