Home / 126,902.25-190,356.44-42,663.51

Finding the Fourth Proportional to 126,902.25, 190,356.44 and 42,663.51

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Solution

The fourth proportional to 126,902.25, 190,356.44 and 42,663.51 is: 63,996.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,902.25 : 190,356.44 = 42,663.51 : x
  2. Step 2: Convert to fraction form
    126,902.25/190,356.44 = 42,663.51/x
  3. Step 3: Cross multiply
    126,902.25x = 190,356.44 × 42,663.51
  4. Step 4: Simplify right side
    126,902.25x = 8,121,273,668.19
  5. Step 5: Solve for x
    x = 8,121,273,668.19/126,902.25
  6. Step 6: Final answer
    x = 63,996.29

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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.