Home / 246,435.03-340,080.36-133,257.78

Finding the Fourth Proportional to 246,435.03, 340,080.36 and 133,257.78

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Solution

The fourth proportional to 246,435.03, 340,080.36 and 133,257.78 is: 183,895.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,435.03 : 340,080.36 = 133,257.78 : x
  2. Step 2: Convert to fraction form
    246,435.03/340,080.36 = 133,257.78/x
  3. Step 3: Cross multiply
    246,435.03x = 340,080.36 × 133,257.78
  4. Step 4: Simplify right side
    246,435.03x = 45,318,353,795.20
  5. Step 5: Solve for x
    x = 45,318,353,795.20/246,435.03
  6. Step 6: Final answer
    x = 183,895.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.