Home / 196,431.40-294,452.70-96,509.80

Finding the Fourth Proportional to 196,431.40, 294,452.70 and 96,509.80

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Solution

The fourth proportional to 196,431.40, 294,452.70 and 96,509.80 is: 144,669.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,431.40 : 294,452.70 = 96,509.80 : x
  2. Step 2: Convert to fraction form
    196,431.40/294,452.70 = 96,509.80/x
  3. Step 3: Cross multiply
    196,431.40x = 294,452.70 × 96,509.80
  4. Step 4: Simplify right side
    196,431.40x = 28,417,571,186.46
  5. Step 5: Solve for x
    x = 28,417,571,186.46/196,431.40
  6. Step 6: Final answer
    x = 144,669.19

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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.