Home / 160,983.19-222,055.75-103,696.75

Finding the Fourth Proportional to 160,983.19, 222,055.75 and 103,696.75

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Solution

The fourth proportional to 160,983.19, 222,055.75 and 103,696.75 is: 143,036.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,983.19 : 222,055.75 = 103,696.75 : x
  2. Step 2: Convert to fraction form
    160,983.19/222,055.75 = 103,696.75/x
  3. Step 3: Cross multiply
    160,983.19x = 222,055.75 × 103,696.75
  4. Step 4: Simplify right side
    160,983.19x = 23,026,459,593.81
  5. Step 5: Solve for x
    x = 23,026,459,593.81/160,983.19
  6. Step 6: Final answer
    x = 143,036.42

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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.