Home / 256,040.25-383,957.69-106,178.73

Finding the Fourth Proportional to 256,040.25, 383,957.69 and 106,178.73

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Solution

The fourth proportional to 256,040.25, 383,957.69 and 106,178.73 is: 159,225.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,040.25 : 383,957.69 = 106,178.73 : x
  2. Step 2: Convert to fraction form
    256,040.25/383,957.69 = 106,178.73/x
  3. Step 3: Cross multiply
    256,040.25x = 383,957.69 × 106,178.73
  4. Step 4: Simplify right side
    256,040.25x = 40,768,139,367.04
  5. Step 5: Solve for x
    x = 40,768,139,367.04/256,040.25
  6. Step 6: Final answer
    x = 159,225.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.