Home / 229,767.36-317,107.44-129,165.36

Finding the Fourth Proportional to 229,767.36, 317,107.44 and 129,165.36

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Solution

The fourth proportional to 229,767.36, 317,107.44 and 129,165.36 is: 178,264.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,767.36 : 317,107.44 = 129,165.36 : x
  2. Step 2: Convert to fraction form
    229,767.36/317,107.44 = 129,165.36/x
  3. Step 3: Cross multiply
    229,767.36x = 317,107.44 × 129,165.36
  4. Step 4: Simplify right side
    229,767.36x = 40,959,296,646.28
  5. Step 5: Solve for x
    x = 40,959,296,646.28/229,767.36
  6. Step 6: Final answer
    x = 178,264.21

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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.