Home / 301,619.36-416,244.96-172,579.07

Finding the Fourth Proportional to 301,619.36, 416,244.96 and 172,579.07

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Solution

The fourth proportional to 301,619.36, 416,244.96 and 172,579.07 is: 238,164.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,619.36 : 416,244.96 = 172,579.07 : x
  2. Step 2: Convert to fraction form
    301,619.36/416,244.96 = 172,579.07/x
  3. Step 3: Cross multiply
    301,619.36x = 416,244.96 × 172,579.07
  4. Step 4: Simplify right side
    301,619.36x = 71,835,169,129.60
  5. Step 5: Solve for x
    x = 71,835,169,129.60/301,619.36
  6. Step 6: Final answer
    x = 238,164.98

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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.