Home / 213,202.06-319,696.07-70,997.24

Finding the Fourth Proportional to 213,202.06, 319,696.07 and 70,997.24

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Solution

The fourth proportional to 213,202.06, 319,696.07 and 70,997.24 is: 106,460.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,202.06 : 319,696.07 = 70,997.24 : x
  2. Step 2: Convert to fraction form
    213,202.06/319,696.07 = 70,997.24/x
  3. Step 3: Cross multiply
    213,202.06x = 319,696.07 × 70,997.24
  4. Step 4: Simplify right side
    213,202.06x = 22,697,539,053.10
  5. Step 5: Solve for x
    x = 22,697,539,053.10/213,202.06
  6. Step 6: Final answer
    x = 106,460.23

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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.