Home / 255,822.33-383,605.68-149,242.92

Finding the Fourth Proportional to 255,822.33, 383,605.68 and 149,242.92

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Solution

The fourth proportional to 255,822.33, 383,605.68 and 149,242.92 is: 223,789.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,822.33 : 383,605.68 = 149,242.92 : x
  2. Step 2: Convert to fraction form
    255,822.33/383,605.68 = 149,242.92/x
  3. Step 3: Cross multiply
    255,822.33x = 383,605.68 × 149,242.92
  4. Step 4: Simplify right side
    255,822.33x = 57,250,431,811.79
  5. Step 5: Solve for x
    x = 57,250,431,811.79/255,822.33
  6. Step 6: Final answer
    x = 223,789.81

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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.