Home / 108,548.46-163,072.23-76,601.10

Finding the Fourth Proportional to 108,548.46, 163,072.23 and 76,601.10

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Solution

The fourth proportional to 108,548.46, 163,072.23 and 76,601.10 is: 115,077.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,548.46 : 163,072.23 = 76,601.10 : x
  2. Step 2: Convert to fraction form
    108,548.46/163,072.23 = 76,601.10/x
  3. Step 3: Cross multiply
    108,548.46x = 163,072.23 × 76,601.10
  4. Step 4: Simplify right side
    108,548.46x = 12,491,512,197.45
  5. Step 5: Solve for x
    x = 12,491,512,197.45/108,548.46
  6. Step 6: Final answer
    x = 115,077.75

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1.5x scale

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.