Home / 319,736.72-441,234.24-176,496.86

Finding the Fourth Proportional to 319,736.72, 441,234.24 and 176,496.86

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Solution

The fourth proportional to 319,736.72, 441,234.24 and 176,496.86 is: 243,564.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,736.72 : 441,234.24 = 176,496.86 : x
  2. Step 2: Convert to fraction form
    319,736.72/441,234.24 = 176,496.86/x
  3. Step 3: Cross multiply
    319,736.72x = 441,234.24 × 176,496.86
  4. Step 4: Simplify right side
    319,736.72x = 77,876,457,884.49
  5. Step 5: Solve for x
    x = 77,876,457,884.49/319,736.72
  6. Step 6: Final answer
    x = 243,564.32

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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.