Home / 108,334.26-162,107.46-89,438.58

Finding the Fourth Proportional to 108,334.26, 162,107.46 and 89,438.58

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Solution

The fourth proportional to 108,334.26, 162,107.46 and 89,438.58 is: 133,832.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,334.26 : 162,107.46 = 89,438.58 : x
  2. Step 2: Convert to fraction form
    108,334.26/162,107.46 = 89,438.58/x
  3. Step 3: Cross multiply
    108,334.26x = 162,107.46 × 89,438.58
  4. Step 4: Simplify right side
    108,334.26x = 14,498,661,029.81
  5. Step 5: Solve for x
    x = 14,498,661,029.81/108,334.26
  6. Step 6: Final answer
    x = 133,832.65

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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.