Home / 109,950.40-164,433.52-92,235.70

Finding the Fourth Proportional to 109,950.40, 164,433.52 and 92,235.70

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Solution

The fourth proportional to 109,950.40, 164,433.52 and 92,235.70 is: 137,940.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,950.40 : 164,433.52 = 92,235.70 : x
  2. Step 2: Convert to fraction form
    109,950.40/164,433.52 = 92,235.70/x
  3. Step 3: Cross multiply
    109,950.40x = 164,433.52 × 92,235.70
  4. Step 4: Simplify right side
    109,950.40x = 15,166,640,820.66
  5. Step 5: Solve for x
    x = 15,166,640,820.66/109,950.40
  6. Step 6: Final answer
    x = 137,940.75

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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.