Home / 246,261.20-369,412.76-77,736.45

Finding the Fourth Proportional to 246,261.20, 369,412.76 and 77,736.45

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Solution

The fourth proportional to 246,261.20, 369,412.76 and 77,736.45 is: 116,611.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,261.20 : 369,412.76 = 77,736.45 : x
  2. Step 2: Convert to fraction form
    246,261.20/369,412.76 = 77,736.45/x
  3. Step 3: Cross multiply
    246,261.20x = 369,412.76 × 77,736.45
  4. Step 4: Simplify right side
    246,261.20x = 28,716,836,741.44
  5. Step 5: Solve for x
    x = 28,716,836,741.44/246,261.20
  6. Step 6: Final answer
    x = 116,611.29

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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.