Home / 196,434.40-294,457.20-96,512.80

Finding the Fourth Proportional to 196,434.40, 294,457.20 and 96,512.80

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Solution

The fourth proportional to 196,434.40, 294,457.20 and 96,512.80 is: 144,673.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,434.40 : 294,457.20 = 96,512.80 : x
  2. Step 2: Convert to fraction form
    196,434.40/294,457.20 = 96,512.80/x
  3. Step 3: Cross multiply
    196,434.40x = 294,457.20 × 96,512.80
  4. Step 4: Simplify right side
    196,434.40x = 28,418,888,852.16
  5. Step 5: Solve for x
    x = 28,418,888,852.16/196,434.40
  6. Step 6: Final answer
    x = 144,673.69

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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.