Home / 82,233.13-123,350.30-19,903.63

Finding the Fourth Proportional to 82,233.13, 123,350.30 and 19,903.63

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Solution

The fourth proportional to 82,233.13, 123,350.30 and 19,903.63 is: 29,855.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,233.13 : 123,350.30 = 19,903.63 : x
  2. Step 2: Convert to fraction form
    82,233.13/123,350.30 = 19,903.63/x
  3. Step 3: Cross multiply
    82,233.13x = 123,350.30 × 19,903.63
  4. Step 4: Simplify right side
    82,233.13x = 2,455,118,731.59
  5. Step 5: Solve for x
    x = 2,455,118,731.59/82,233.13
  6. Step 6: Final answer
    x = 29,855.59

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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.