Home / 109,934.40-164,409.52-92,219.70

Finding the Fourth Proportional to 109,934.40, 164,409.52 and 92,219.70

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Solution

The fourth proportional to 109,934.40, 164,409.52 and 92,219.70 is: 137,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,934.40 : 164,409.52 = 92,219.70 : x
  2. Step 2: Convert to fraction form
    109,934.40/164,409.52 = 92,219.70/x
  3. Step 3: Cross multiply
    109,934.40x = 164,409.52 × 92,219.70
  4. Step 4: Simplify right side
    109,934.40x = 15,161,796,611.54
  5. Step 5: Solve for x
    x = 15,161,796,611.54/109,934.40
  6. Step 6: Final answer
    x = 137,916.76

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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.