Home / 109,865.70-164,766.15-43,283.70

Finding the Fourth Proportional to 109,865.70, 164,766.15 and 43,283.70

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Solution

The fourth proportional to 109,865.70, 164,766.15 and 43,283.70 is: 64,912.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,865.70 : 164,766.15 = 43,283.70 : x
  2. Step 2: Convert to fraction form
    109,865.70/164,766.15 = 43,283.70/x
  3. Step 3: Cross multiply
    109,865.70x = 164,766.15 × 43,283.70
  4. Step 4: Simplify right side
    109,865.70x = 7,131,688,606.76
  5. Step 5: Solve for x
    x = 7,131,688,606.76/109,865.70
  6. Step 6: Final answer
    x = 64,912.79

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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.