Home / 108,224.45-162,332.04-105,690.26

Finding the Fourth Proportional to 108,224.45, 162,332.04 and 105,690.26

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Solution

The fourth proportional to 108,224.45, 162,332.04 and 105,690.26 is: 158,530.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,224.45 : 162,332.04 = 105,690.26 : x
  2. Step 2: Convert to fraction form
    108,224.45/162,332.04 = 105,690.26/x
  3. Step 3: Cross multiply
    108,224.45x = 162,332.04 × 105,690.26
  4. Step 4: Simplify right side
    108,224.45x = 17,156,914,702.27
  5. Step 5: Solve for x
    x = 17,156,914,702.27/108,224.45
  6. Step 6: Final answer
    x = 158,530.86

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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.