Home / 213,053.02-319,579.09-124,244.28

Finding the Fourth Proportional to 213,053.02, 319,579.09 and 124,244.28

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Solution

The fourth proportional to 213,053.02, 319,579.09 and 124,244.28 is: 186,366.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,053.02 : 319,579.09 = 124,244.28 : x
  2. Step 2: Convert to fraction form
    213,053.02/319,579.09 = 124,244.28/x
  3. Step 3: Cross multiply
    213,053.02x = 319,579.09 × 124,244.28
  4. Step 4: Simplify right side
    213,053.02x = 39,705,873,629.49
  5. Step 5: Solve for x
    x = 39,705,873,629.49/213,053.02
  6. Step 6: Final answer
    x = 186,366.16

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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.