Home / 252,285.12-378,539.46-133,927.92

Finding the Fourth Proportional to 252,285.12, 378,539.46 and 133,927.92

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Solution

The fourth proportional to 252,285.12, 378,539.46 and 133,927.92 is: 200,951.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,285.12 : 378,539.46 = 133,927.92 : x
  2. Step 2: Convert to fraction form
    252,285.12/378,539.46 = 133,927.92/x
  3. Step 3: Cross multiply
    252,285.12x = 378,539.46 × 133,927.92
  4. Step 4: Simplify right side
    252,285.12x = 50,697,002,515.72
  5. Step 5: Solve for x
    x = 50,697,002,515.72/252,285.12
  6. Step 6: Final answer
    x = 200,951.22

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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.