Home / 108,204.08-162,315.34-28,252.64

Finding the Fourth Proportional to 108,204.08, 162,315.34 and 28,252.64

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Solution

The fourth proportional to 108,204.08, 162,315.34 and 28,252.64 is: 42,381.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,204.08 : 162,315.34 = 28,252.64 : x
  2. Step 2: Convert to fraction form
    108,204.08/162,315.34 = 28,252.64/x
  3. Step 3: Cross multiply
    108,204.08x = 162,315.34 × 28,252.64
  4. Step 4: Simplify right side
    108,204.08x = 4,585,837,202.65
  5. Step 5: Solve for x
    x = 4,585,837,202.65/108,204.08
  6. Step 6: Final answer
    x = 42,381.37

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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.