Home / 196,399.18-294,617.81-78,044.01

Finding the Fourth Proportional to 196,399.18, 294,617.81 and 78,044.01

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Solution

The fourth proportional to 196,399.18, 294,617.81 and 78,044.01 is: 117,073.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,399.18 : 294,617.81 = 78,044.01 : x
  2. Step 2: Convert to fraction form
    196,399.18/294,617.81 = 78,044.01/x
  3. Step 3: Cross multiply
    196,399.18x = 294,617.81 × 78,044.01
  4. Step 4: Simplify right side
    196,399.18x = 22,993,155,309.82
  5. Step 5: Solve for x
    x = 22,993,155,309.82/196,399.18
  6. Step 6: Final answer
    x = 117,073.58

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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.