Home / 451,708.38-677,390.34-152,108.52

Finding the Fourth Proportional to 451,708.38, 677,390.34 and 152,108.52

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Solution

The fourth proportional to 451,708.38, 677,390.34 and 152,108.52 is: 228,104.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,708.38 : 677,390.34 = 152,108.52 : x
  2. Step 2: Convert to fraction form
    451,708.38/677,390.34 = 152,108.52/x
  3. Step 3: Cross multiply
    451,708.38x = 677,390.34 × 152,108.52
  4. Step 4: Simplify right side
    451,708.38x = 103,036,842,079.70
  5. Step 5: Solve for x
    x = 103,036,842,079.70/451,708.38
  6. Step 6: Final answer
    x = 228,104.78

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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.