Home / 108,543.79-162,618.86-106,181.83

Finding the Fourth Proportional to 108,543.79, 162,618.86 and 106,181.83

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Solution

The fourth proportional to 108,543.79, 162,618.86 and 106,181.83 is: 159,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,543.79 : 162,618.86 = 106,181.83 : x
  2. Step 2: Convert to fraction form
    108,543.79/162,618.86 = 106,181.83/x
  3. Step 3: Cross multiply
    108,543.79x = 162,618.86 × 106,181.83
  4. Step 4: Simplify right side
    108,543.79x = 17,267,168,323.68
  5. Step 5: Solve for x
    x = 17,267,168,323.68/108,543.79
  6. Step 6: Final answer
    x = 159,080.20

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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.