Home / 185,788.85-256,380.02-105,216.95

Finding the Fourth Proportional to 185,788.85, 256,380.02 and 105,216.95

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Solution

The fourth proportional to 185,788.85, 256,380.02 and 105,216.95 is: 145,194.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,788.85 : 256,380.02 = 105,216.95 : x
  2. Step 2: Convert to fraction form
    185,788.85/256,380.02 = 105,216.95/x
  3. Step 3: Cross multiply
    185,788.85x = 256,380.02 × 105,216.95
  4. Step 4: Simplify right side
    185,788.85x = 26,975,523,745.34
  5. Step 5: Solve for x
    x = 26,975,523,745.34/185,788.85
  6. Step 6: Final answer
    x = 145,194.52

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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.