Home / 319,629.08-479,495.64-119,965.16

Finding the Fourth Proportional to 319,629.08, 479,495.64 and 119,965.16

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Solution

The fourth proportional to 319,629.08, 479,495.64 and 119,965.16 is: 179,967.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,629.08 : 479,495.64 = 119,965.16 : x
  2. Step 2: Convert to fraction form
    319,629.08/479,495.64 = 119,965.16/x
  3. Step 3: Cross multiply
    319,629.08x = 479,495.64 × 119,965.16
  4. Step 4: Simplify right side
    319,629.08x = 57,522,771,171.90
  5. Step 5: Solve for x
    x = 57,522,771,171.90/319,629.08
  6. Step 6: Final answer
    x = 179,967.26

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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.