Home / 185,739.50-256,268.45-105,165.26

Finding the Fourth Proportional to 185,739.50, 256,268.45 and 105,165.26

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Solution

The fourth proportional to 185,739.50, 256,268.45 and 105,165.26 is: 145,098.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,739.50 : 256,268.45 = 105,165.26 : x
  2. Step 2: Convert to fraction form
    185,739.50/256,268.45 = 105,165.26/x
  3. Step 3: Cross multiply
    185,739.50x = 256,268.45 × 105,165.26
  4. Step 4: Simplify right side
    185,739.50x = 26,950,536,366.88
  5. Step 5: Solve for x
    x = 26,950,536,366.88/185,739.50
  6. Step 6: Final answer
    x = 145,098.58

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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.