Home / 319,936.64-441,504.11-176,693.60

Finding the Fourth Proportional to 319,936.64, 441,504.11 and 176,693.60

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Solution

The fourth proportional to 319,936.64, 441,504.11 and 176,693.60 is: 243,832.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,936.64 : 441,504.11 = 176,693.60 : x
  2. Step 2: Convert to fraction form
    319,936.64/441,504.11 = 176,693.60/x
  3. Step 3: Cross multiply
    319,936.64x = 441,504.11 × 176,693.60
  4. Step 4: Simplify right side
    319,936.64x = 78,010,947,519.71
  5. Step 5: Solve for x
    x = 78,010,947,519.71/319,936.64
  6. Step 6: Final answer
    x = 243,832.49

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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.