Home / 124,317.54-186,456.96-68,185.26

Finding the Fourth Proportional to 124,317.54, 186,456.96 and 68,185.26

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Solution

The fourth proportional to 124,317.54, 186,456.96 and 68,185.26 is: 102,267.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,317.54 : 186,456.96 = 68,185.26 : x
  2. Step 2: Convert to fraction form
    124,317.54/186,456.96 = 68,185.26/x
  3. Step 3: Cross multiply
    124,317.54x = 186,456.96 × 68,185.26
  4. Step 4: Simplify right side
    124,317.54x = 12,713,616,296.41
  5. Step 5: Solve for x
    x = 12,713,616,296.41/124,317.54
  6. Step 6: Final answer
    x = 102,267.28

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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.