Home / 108,186.74-162,381.02-54,916.55

Finding the Fourth Proportional to 108,186.74, 162,381.02 and 54,916.55

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Solution

The fourth proportional to 108,186.74, 162,381.02 and 54,916.55 is: 82,426.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,186.74 : 162,381.02 = 54,916.55 : x
  2. Step 2: Convert to fraction form
    108,186.74/162,381.02 = 54,916.55/x
  3. Step 3: Cross multiply
    108,186.74x = 162,381.02 × 54,916.55
  4. Step 4: Simplify right side
    108,186.74x = 8,917,404,317.39
  5. Step 5: Solve for x
    x = 8,917,404,317.39/108,186.74
  6. Step 6: Final answer
    x = 82,426.04

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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.