Home / 149,246.22-205,974.30-111,454.86

Finding the Fourth Proportional to 149,246.22, 205,974.30 and 111,454.86

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Solution

The fourth proportional to 149,246.22, 205,974.30 and 111,454.86 is: 153,818.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,246.22 : 205,974.30 = 111,454.86 : x
  2. Step 2: Convert to fraction form
    149,246.22/205,974.30 = 111,454.86/x
  3. Step 3: Cross multiply
    149,246.22x = 205,974.30 × 111,454.86
  4. Step 4: Simplify right side
    149,246.22x = 22,956,836,770.10
  5. Step 5: Solve for x
    x = 22,956,836,770.10/149,246.22
  6. Step 6: Final answer
    x = 153,818.55

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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.