Home / 108,336.30-162,188.24-63,219.40

Finding the Fourth Proportional to 108,336.30, 162,188.24 and 63,219.40

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Solution

The fourth proportional to 108,336.30, 162,188.24 and 63,219.40 is: 94,644.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,336.30 : 162,188.24 = 63,219.40 : x
  2. Step 2: Convert to fraction form
    108,336.30/162,188.24 = 63,219.40/x
  3. Step 3: Cross multiply
    108,336.30x = 162,188.24 × 63,219.40
  4. Step 4: Simplify right side
    108,336.30x = 10,253,442,498.29
  5. Step 5: Solve for x
    x = 10,253,442,498.29/108,336.30
  6. Step 6: Final answer
    x = 94,644.57

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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.