Home / 185,257.73-255,655.74-100,374.19

Finding the Fourth Proportional to 185,257.73, 255,655.74 and 100,374.19

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Solution

The fourth proportional to 185,257.73, 255,655.74 and 100,374.19 is: 138,516.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,257.73 : 255,655.74 = 100,374.19 : x
  2. Step 2: Convert to fraction form
    185,257.73/255,655.74 = 100,374.19/x
  3. Step 3: Cross multiply
    185,257.73x = 255,655.74 × 100,374.19
  4. Step 4: Simplify right side
    185,257.73x = 25,661,237,558.61
  5. Step 5: Solve for x
    x = 25,661,237,558.61/185,257.73
  6. Step 6: Final answer
    x = 138,516.42

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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.