Home / 108,236.12-162,370.38-38,103.08

Finding the Fourth Proportional to 108,236.12, 162,370.38 and 38,103.08

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Solution

The fourth proportional to 108,236.12, 162,370.38 and 38,103.08 is: 57,160.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,236.12 : 162,370.38 = 38,103.08 : x
  2. Step 2: Convert to fraction form
    108,236.12/162,370.38 = 38,103.08/x
  3. Step 3: Cross multiply
    108,236.12x = 162,370.38 × 38,103.08
  4. Step 4: Simplify right side
    108,236.12x = 6,186,811,578.77
  5. Step 5: Solve for x
    x = 6,186,811,578.77/108,236.12
  6. Step 6: Final answer
    x = 57,160.32

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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.