Home / 344,096.20-515,123.70-255,741.40

Finding the Fourth Proportional to 344,096.20, 515,123.70 and 255,741.40

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Solution

The fourth proportional to 344,096.20, 515,123.70 and 255,741.40 is: 382,853.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,096.20 : 515,123.70 = 255,741.40 : x
  2. Step 2: Convert to fraction form
    344,096.20/515,123.70 = 255,741.40/x
  3. Step 3: Cross multiply
    344,096.20x = 515,123.70 × 255,741.40
  4. Step 4: Simplify right side
    344,096.20x = 131,738,456,211.18
  5. Step 5: Solve for x
    x = 131,738,456,211.18/344,096.20
  6. Step 6: Final answer
    x = 382,853.56

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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.