Home / 394,109.22-591,246.86-127,848.95

Finding the Fourth Proportional to 394,109.22, 591,246.86 and 127,848.95

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Solution

The fourth proportional to 394,109.22, 591,246.86 and 127,848.95 is: 191,800.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,109.22 : 591,246.86 = 127,848.95 : x
  2. Step 2: Convert to fraction form
    394,109.22/591,246.86 = 127,848.95/x
  3. Step 3: Cross multiply
    394,109.22x = 591,246.86 × 127,848.95
  4. Step 4: Simplify right side
    394,109.22x = 75,590,286,646.32
  5. Step 5: Solve for x
    x = 75,590,286,646.32/394,109.22
  6. Step 6: Final answer
    x = 191,800.35

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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.