Home / 268,102.60-402,221.97-124,112.23

Finding the Fourth Proportional to 268,102.60, 402,221.97 and 124,112.23

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Solution

The fourth proportional to 268,102.60, 402,221.97 and 124,112.23 is: 186,199.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,102.60 : 402,221.97 = 124,112.23 : x
  2. Step 2: Convert to fraction form
    268,102.60/402,221.97 = 124,112.23/x
  3. Step 3: Cross multiply
    268,102.60x = 402,221.97 × 124,112.23
  4. Step 4: Simplify right side
    268,102.60x = 49,920,665,651.69
  5. Step 5: Solve for x
    x = 49,920,665,651.69/268,102.60
  6. Step 6: Final answer
    x = 186,199.86

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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.