Home / 255,933.40-383,900.10-154,456.60

Finding the Fourth Proportional to 255,933.40, 383,900.10 and 154,456.60

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Solution

The fourth proportional to 255,933.40, 383,900.10 and 154,456.60 is: 231,684.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,933.40 : 383,900.10 = 154,456.60 : x
  2. Step 2: Convert to fraction form
    255,933.40/383,900.10 = 154,456.60/x
  3. Step 3: Cross multiply
    255,933.40x = 383,900.10 × 154,456.60
  4. Step 4: Simplify right side
    255,933.40x = 59,295,904,185.66
  5. Step 5: Solve for x
    x = 59,295,904,185.66/255,933.40
  6. Step 6: Final answer
    x = 231,684.90

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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.