Home / 319,554.30-440,984.60-176,314.33

Finding the Fourth Proportional to 319,554.30, 440,984.60 and 176,314.33

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Solution

The fourth proportional to 319,554.30, 440,984.60 and 176,314.33 is: 243,313.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,554.30 : 440,984.60 = 176,314.33 : x
  2. Step 2: Convert to fraction form
    319,554.30/440,984.60 = 176,314.33/x
  3. Step 3: Cross multiply
    319,554.30x = 440,984.60 × 176,314.33
  4. Step 4: Simplify right side
    319,554.30x = 77,751,904,289.32
  5. Step 5: Solve for x
    x = 77,751,904,289.32/319,554.30
  6. Step 6: Final answer
    x = 243,313.59

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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.