Home / 110,370.56-164,639.50-106,680.61

Finding the Fourth Proportional to 110,370.56, 164,639.50 and 106,680.61

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Solution

The fourth proportional to 110,370.56, 164,639.50 and 106,680.61 is: 159,135.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,370.56 : 164,639.50 = 106,680.61 : x
  2. Step 2: Convert to fraction form
    110,370.56/164,639.50 = 106,680.61/x
  3. Step 3: Cross multiply
    110,370.56x = 164,639.50 × 106,680.61
  4. Step 4: Simplify right side
    110,370.56x = 17,563,842,290.10
  5. Step 5: Solve for x
    x = 17,563,842,290.10/110,370.56
  6. Step 6: Final answer
    x = 159,135.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.