Home / 108,950.40-162,988.20-94,321.80

Finding the Fourth Proportional to 108,950.40, 162,988.20 and 94,321.80

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Solution

The fourth proportional to 108,950.40, 162,988.20 and 94,321.80 is: 141,104.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,950.40 : 162,988.20 = 94,321.80 : x
  2. Step 2: Convert to fraction form
    108,950.40/162,988.20 = 94,321.80/x
  3. Step 3: Cross multiply
    108,950.40x = 162,988.20 × 94,321.80
  4. Step 4: Simplify right side
    108,950.40x = 15,373,340,402.76
  5. Step 5: Solve for x
    x = 15,373,340,402.76/108,950.40
  6. Step 6: Final answer
    x = 141,104.03

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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.