Home / 108,476.20-162,495.60-75,233.80

Finding the Fourth Proportional to 108,476.20, 162,495.60 and 75,233.80

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Solution

The fourth proportional to 108,476.20, 162,495.60 and 75,233.80 is: 112,699.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,476.20 : 162,495.60 = 75,233.80 : x
  2. Step 2: Convert to fraction form
    108,476.20/162,495.60 = 75,233.80/x
  3. Step 3: Cross multiply
    108,476.20x = 162,495.60 × 75,233.80
  4. Step 4: Simplify right side
    108,476.20x = 12,225,161,471.28
  5. Step 5: Solve for x
    x = 12,225,161,471.28/108,476.20
  6. Step 6: Final answer
    x = 112,699.02

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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.