Home / 185,795.26-256,388.86-105,223.36

Finding the Fourth Proportional to 185,795.26, 256,388.86 and 105,223.36

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Solution

The fourth proportional to 185,795.26, 256,388.86 and 105,223.36 is: 145,203.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,795.26 : 256,388.86 = 105,223.36 : x
  2. Step 2: Convert to fraction form
    185,795.26/256,388.86 = 105,223.36/x
  3. Step 3: Cross multiply
    185,795.26x = 256,388.86 × 105,223.36
  4. Step 4: Simplify right side
    185,795.26x = 26,978,097,315.77
  5. Step 5: Solve for x
    x = 26,978,097,315.77/185,795.26
  6. Step 6: Final answer
    x = 145,203.37

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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.