Home / 245,583.07-368,374.63-68,090.09

Finding the Fourth Proportional to 245,583.07, 368,374.63 and 68,090.09

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Solution

The fourth proportional to 245,583.07, 368,374.63 and 68,090.09 is: 102,135.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,583.07 : 368,374.63 = 68,090.09 : x
  2. Step 2: Convert to fraction form
    245,583.07/368,374.63 = 68,090.09/x
  3. Step 3: Cross multiply
    245,583.07x = 368,374.63 × 68,090.09
  4. Step 4: Simplify right side
    245,583.07x = 25,082,659,528.09
  5. Step 5: Solve for x
    x = 25,082,659,528.09/245,583.07
  6. Step 6: Final answer
    x = 102,135.13

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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.