Home / 149,583.48-206,410.86-82,511.16

Finding the Fourth Proportional to 149,583.48, 206,410.86 and 82,511.16

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Solution

The fourth proportional to 149,583.48, 206,410.86 and 82,511.16 is: 113,857.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,583.48 : 206,410.86 = 82,511.16 : x
  2. Step 2: Convert to fraction form
    149,583.48/206,410.86 = 82,511.16/x
  3. Step 3: Cross multiply
    149,583.48x = 206,410.86 × 82,511.16
  4. Step 4: Simplify right side
    149,583.48x = 17,031,199,495.20
  5. Step 5: Solve for x
    x = 17,031,199,495.20/149,583.48
  6. Step 6: Final answer
    x = 113,857.49

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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.