Home / 319,776.66-441,349.56-190,723.41

Finding the Fourth Proportional to 319,776.66, 441,349.56 and 190,723.41

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Solution

The fourth proportional to 319,776.66, 441,349.56 and 190,723.41 is: 263,232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,776.66 : 441,349.56 = 190,723.41 : x
  2. Step 2: Convert to fraction form
    319,776.66/441,349.56 = 190,723.41/x
  3. Step 3: Cross multiply
    319,776.66x = 441,349.56 × 190,723.41
  4. Step 4: Simplify right side
    319,776.66x = 84,175,693,085.20
  5. Step 5: Solve for x
    x = 84,175,693,085.20/319,776.66
  6. Step 6: Final answer
    x = 263,232.76

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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.