Home / 122,020.22-182,987.45-36,605.61

Finding the Fourth Proportional to 122,020.22, 182,987.45 and 36,605.61

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Solution

The fourth proportional to 122,020.22, 182,987.45 and 36,605.61 is: 54,895.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,020.22 : 182,987.45 = 36,605.61 : x
  2. Step 2: Convert to fraction form
    122,020.22/182,987.45 = 36,605.61/x
  3. Step 3: Cross multiply
    122,020.22x = 182,987.45 × 36,605.61
  4. Step 4: Simplify right side
    122,020.22x = 6,698,367,229.59
  5. Step 5: Solve for x
    x = 6,698,367,229.59/122,020.22
  6. Step 6: Final answer
    x = 54,895.55

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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.