Home / 108,861.23-163,338.15-52,743.15

Finding the Fourth Proportional to 108,861.23, 163,338.15 and 52,743.15

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Solution

The fourth proportional to 108,861.23, 163,338.15 and 52,743.15 is: 79,137.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,861.23 : 163,338.15 = 52,743.15 : x
  2. Step 2: Convert to fraction form
    108,861.23/163,338.15 = 52,743.15/x
  3. Step 3: Cross multiply
    108,861.23x = 163,338.15 × 52,743.15
  4. Step 4: Simplify right side
    108,861.23x = 8,614,968,298.94
  5. Step 5: Solve for x
    x = 8,614,968,298.94/108,861.23
  6. Step 6: Final answer
    x = 79,137.16

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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.