Home / 163,963.49-245,945.27-126,578.14

Finding the Fourth Proportional to 163,963.49, 245,945.27 and 126,578.14

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Solution

The fourth proportional to 163,963.49, 245,945.27 and 126,578.14 is: 189,867.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,963.49 : 245,945.27 = 126,578.14 : x
  2. Step 2: Convert to fraction form
    163,963.49/245,945.27 = 126,578.14/x
  3. Step 3: Cross multiply
    163,963.49x = 245,945.27 × 126,578.14
  4. Step 4: Simplify right side
    163,963.49x = 31,131,294,519.98
  5. Step 5: Solve for x
    x = 31,131,294,519.98/163,963.49
  6. Step 6: Final answer
    x = 189,867.24

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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.