Home / 149,238.21-205,963.26-111,446.85

Finding the Fourth Proportional to 149,238.21, 205,963.26 and 111,446.85

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Solution

The fourth proportional to 149,238.21, 205,963.26 and 111,446.85 is: 153,807.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,238.21 : 205,963.26 = 111,446.85 : x
  2. Step 2: Convert to fraction form
    149,238.21/205,963.26 = 111,446.85/x
  3. Step 3: Cross multiply
    149,238.21x = 205,963.26 × 111,446.85
  4. Step 4: Simplify right side
    149,238.21x = 22,953,956,542.73
  5. Step 5: Solve for x
    x = 22,953,956,542.73/149,238.21
  6. Step 6: Final answer
    x = 153,807.50

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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.