Home / 196,340.65-294,272.88-89,578.36

Finding the Fourth Proportional to 196,340.65, 294,272.88 and 89,578.36

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Solution

The fourth proportional to 196,340.65, 294,272.88 and 89,578.36 is: 134,258.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,340.65 : 294,272.88 = 89,578.36 : x
  2. Step 2: Convert to fraction form
    196,340.65/294,272.88 = 89,578.36/x
  3. Step 3: Cross multiply
    196,340.65x = 294,272.88 × 89,578.36
  4. Step 4: Simplify right side
    196,340.65x = 26,360,481,982.88
  5. Step 5: Solve for x
    x = 26,360,481,982.88/196,340.65
  6. Step 6: Final answer
    x = 134,258.91

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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.