Home / 108,110.10-161,776.35-73,118.10

Finding the Fourth Proportional to 108,110.10, 161,776.35 and 73,118.10

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Solution

The fourth proportional to 108,110.10, 161,776.35 and 73,118.10 is: 109,414.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,110.10 : 161,776.35 = 73,118.10 : x
  2. Step 2: Convert to fraction form
    108,110.10/161,776.35 = 73,118.10/x
  3. Step 3: Cross multiply
    108,110.10x = 161,776.35 × 73,118.10
  4. Step 4: Simplify right side
    108,110.10x = 11,828,779,336.94
  5. Step 5: Solve for x
    x = 11,828,779,336.94/108,110.10
  6. Step 6: Final answer
    x = 109,414.19

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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.