Home / 196,203.36-294,045.81-71,424.48

Finding the Fourth Proportional to 196,203.36, 294,045.81 and 71,424.48

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Solution

The fourth proportional to 196,203.36, 294,045.81 and 71,424.48 is: 107,042.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,203.36 : 294,045.81 = 71,424.48 : x
  2. Step 2: Convert to fraction form
    196,203.36/294,045.81 = 71,424.48/x
  3. Step 3: Cross multiply
    196,203.36x = 294,045.81 × 71,424.48
  4. Step 4: Simplify right side
    196,203.36x = 21,002,069,075.43
  5. Step 5: Solve for x
    x = 21,002,069,075.43/196,203.36
  6. Step 6: Final answer
    x = 107,042.35

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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.