Home / 108,546.40-162,539.19-74,916.22

Finding the Fourth Proportional to 108,546.40, 162,539.19 and 74,916.22

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Solution

The fourth proportional to 108,546.40, 162,539.19 and 74,916.22 is: 112,180.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,546.40 : 162,539.19 = 74,916.22 : x
  2. Step 2: Convert to fraction form
    108,546.40/162,539.19 = 74,916.22/x
  3. Step 3: Cross multiply
    108,546.40x = 162,539.19 × 74,916.22
  4. Step 4: Simplify right side
    108,546.40x = 12,176,821,342.08
  5. Step 5: Solve for x
    x = 12,176,821,342.08/108,546.40
  6. Step 6: Final answer
    x = 112,180.79

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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.