Home / 435,553.20-653,020.92-169,089.12

Finding the Fourth Proportional to 435,553.20, 653,020.92 and 169,089.12

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Solution

The fourth proportional to 435,553.20, 653,020.92 and 169,089.12 is: 253,513.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,553.20 : 653,020.92 = 169,089.12 : x
  2. Step 2: Convert to fraction form
    435,553.20/653,020.92 = 169,089.12/x
  3. Step 3: Cross multiply
    435,553.20x = 653,020.92 × 169,089.12
  4. Step 4: Simplify right side
    435,553.20x = 110,418,732,704.39
  5. Step 5: Solve for x
    x = 110,418,732,704.39/435,553.20
  6. Step 6: Final answer
    x = 253,513.77

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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.