Home / 108,271.26-162,239.37-75,056.22

Finding the Fourth Proportional to 108,271.26, 162,239.37 and 75,056.22

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Solution

The fourth proportional to 108,271.26, 162,239.37 and 75,056.22 is: 112,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,271.26 : 162,239.37 = 75,056.22 : x
  2. Step 2: Convert to fraction form
    108,271.26/162,239.37 = 75,056.22/x
  3. Step 3: Cross multiply
    108,271.26x = 162,239.37 × 75,056.22
  4. Step 4: Simplify right side
    108,271.26x = 12,177,073,847.38
  5. Step 5: Solve for x
    x = 12,177,073,847.38/108,271.26
  6. Step 6: Final answer
    x = 112,468.20

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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.