Home / 108,359.24-162,859.68-105,414.08

Finding the Fourth Proportional to 108,359.24, 162,859.68 and 105,414.08

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Solution

The fourth proportional to 108,359.24, 162,859.68 and 105,414.08 is: 158,433.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,359.24 : 162,859.68 = 105,414.08 : x
  2. Step 2: Convert to fraction form
    108,359.24/162,859.68 = 105,414.08/x
  3. Step 3: Cross multiply
    108,359.24x = 162,859.68 × 105,414.08
  4. Step 4: Simplify right side
    108,359.24x = 17,167,703,336.29
  5. Step 5: Solve for x
    x = 17,167,703,336.29/108,359.24
  6. Step 6: Final answer
    x = 158,433.22

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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.