Home / 108,228.90-162,331.20-29,349.30

Finding the Fourth Proportional to 108,228.90, 162,331.20 and 29,349.30

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Solution

The fourth proportional to 108,228.90, 162,331.20 and 29,349.30 is: 44,020.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,228.90 : 162,331.20 = 29,349.30 : x
  2. Step 2: Convert to fraction form
    108,228.90/162,331.20 = 29,349.30/x
  3. Step 3: Cross multiply
    108,228.90x = 162,331.20 × 29,349.30
  4. Step 4: Simplify right side
    108,228.90x = 4,764,307,088.16
  5. Step 5: Solve for x
    x = 4,764,307,088.16/108,228.90
  6. Step 6: Final answer
    x = 44,020.66

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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.