Home / 451,862.61-677,379.20-156,167.25

Finding the Fourth Proportional to 451,862.61, 677,379.20 and 156,167.25

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Solution

The fourth proportional to 451,862.61, 677,379.20 and 156,167.25 is: 234,107.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,862.61 : 677,379.20 = 156,167.25 : x
  2. Step 2: Convert to fraction form
    451,862.61/677,379.20 = 156,167.25/x
  3. Step 3: Cross multiply
    451,862.61x = 677,379.20 × 156,167.25
  4. Step 4: Simplify right side
    451,862.61x = 105,784,446,090.36
  5. Step 5: Solve for x
    x = 105,784,446,090.36/451,862.61
  6. Step 6: Final answer
    x = 234,107.54

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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.