Home / 185,723.54-256,314.35-105,165.26

Finding the Fourth Proportional to 185,723.54, 256,314.35 and 105,165.26

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Solution

The fourth proportional to 185,723.54, 256,314.35 and 105,165.26 is: 145,137.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,723.54 : 256,314.35 = 105,165.26 : x
  2. Step 2: Convert to fraction form
    185,723.54/256,314.35 = 105,165.26/x
  3. Step 3: Cross multiply
    185,723.54x = 256,314.35 × 105,165.26
  4. Step 4: Simplify right side
    185,723.54x = 26,955,365,259.48
  5. Step 5: Solve for x
    x = 26,955,365,259.48/185,723.54
  6. Step 6: Final answer
    x = 145,137.04

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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.