Home / 82,186.38-123,280.35-26,025.42

Finding the Fourth Proportional to 82,186.38, 123,280.35 and 26,025.42

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Solution

The fourth proportional to 82,186.38, 123,280.35 and 26,025.42 is: 39,038.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,186.38 : 123,280.35 = 26,025.42 : x
  2. Step 2: Convert to fraction form
    82,186.38/123,280.35 = 26,025.42/x
  3. Step 3: Cross multiply
    82,186.38x = 123,280.35 × 26,025.42
  4. Step 4: Simplify right side
    82,186.38x = 3,208,422,886.50
  5. Step 5: Solve for x
    x = 3,208,422,886.50/82,186.38
  6. Step 6: Final answer
    x = 39,038.38

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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.