Home / 251,940.81-347,717.80-148,586.36

Finding the Fourth Proportional to 251,940.81, 347,717.80 and 148,586.36

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Solution

The fourth proportional to 251,940.81, 347,717.80 and 148,586.36 is: 205,072.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,940.81 : 347,717.80 = 148,586.36 : x
  2. Step 2: Convert to fraction form
    251,940.81/347,717.80 = 148,586.36/x
  3. Step 3: Cross multiply
    251,940.81x = 347,717.80 × 148,586.36
  4. Step 4: Simplify right side
    251,940.81x = 51,666,121,466.28
  5. Step 5: Solve for x
    x = 51,666,121,466.28/251,940.81
  6. Step 6: Final answer
    x = 205,072.46

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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.