Home / 117,208.37-161,714.73-73,605.62

Finding the Fourth Proportional to 117,208.37, 161,714.73 and 73,605.62

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Solution

The fourth proportional to 117,208.37, 161,714.73 and 73,605.62 is: 101,555.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,208.37 : 161,714.73 = 73,605.62 : x
  2. Step 2: Convert to fraction form
    117,208.37/161,714.73 = 73,605.62/x
  3. Step 3: Cross multiply
    117,208.37x = 161,714.73 × 73,605.62
  4. Step 4: Simplify right side
    117,208.37x = 11,903,112,964.78
  5. Step 5: Solve for x
    x = 11,903,112,964.78/117,208.37
  6. Step 6: Final answer
    x = 101,555.14

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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.