Home / 196,389.40-294,389.70-96,467.80

Finding the Fourth Proportional to 196,389.40, 294,389.70 and 96,467.80

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Solution

The fourth proportional to 196,389.40, 294,389.70 and 96,467.80 is: 144,606.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,389.40 : 294,389.70 = 96,467.80 : x
  2. Step 2: Convert to fraction form
    196,389.40/294,389.70 = 96,467.80/x
  3. Step 3: Cross multiply
    196,389.40x = 294,389.70 × 96,467.80
  4. Step 4: Simplify right side
    196,389.40x = 28,399,126,701.66
  5. Step 5: Solve for x
    x = 28,399,126,701.66/196,389.40
  6. Step 6: Final answer
    x = 144,606.21

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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.