Home / 299,001.08-412,721.48-178,180.28

Finding the Fourth Proportional to 299,001.08, 412,721.48 and 178,180.28

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Solution

The fourth proportional to 299,001.08, 412,721.48 and 178,180.28 is: 245,948.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,001.08 : 412,721.48 = 178,180.28 : x
  2. Step 2: Convert to fraction form
    299,001.08/412,721.48 = 178,180.28/x
  3. Step 3: Cross multiply
    299,001.08x = 412,721.48 × 178,180.28
  4. Step 4: Simplify right side
    299,001.08x = 73,538,828,868.41
  5. Step 5: Solve for x
    x = 73,538,828,868.41/299,001.08
  6. Step 6: Final answer
    x = 245,948.37

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1.5x scale

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.