Home / 219,929.85-303,494.92-124,438.61

Finding the Fourth Proportional to 219,929.85, 303,494.92 and 124,438.61

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Solution

The fourth proportional to 219,929.85, 303,494.92 and 124,438.61 is: 171,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,929.85 : 303,494.92 = 124,438.61 : x
  2. Step 2: Convert to fraction form
    219,929.85/303,494.92 = 124,438.61/x
  3. Step 3: Cross multiply
    219,929.85x = 303,494.92 × 124,438.61
  4. Step 4: Simplify right side
    219,929.85x = 37,766,486,434.50
  5. Step 5: Solve for x
    x = 37,766,486,434.50/219,929.85
  6. Step 6: Final answer
    x = 171,720.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.