Home / 108,238.12-162,373.38-38,105.08

Finding the Fourth Proportional to 108,238.12, 162,373.38 and 38,105.08

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Solution

The fourth proportional to 108,238.12, 162,373.38 and 38,105.08 is: 57,163.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,238.12 : 162,373.38 = 38,105.08 : x
  2. Step 2: Convert to fraction form
    108,238.12/162,373.38 = 38,105.08/x
  3. Step 3: Cross multiply
    108,238.12x = 162,373.38 × 38,105.08
  4. Step 4: Simplify right side
    108,238.12x = 6,187,250,634.77
  5. Step 5: Solve for x
    x = 6,187,250,634.77/108,238.12
  6. Step 6: Final answer
    x = 57,163.32

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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.