Home / 113,181.46-155,992.71-82,902.45

Finding the Fourth Proportional to 113,181.46, 155,992.71 and 82,902.45

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Solution

The fourth proportional to 113,181.46, 155,992.71 and 82,902.45 is: 114,260.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,181.46 : 155,992.71 = 82,902.45 : x
  2. Step 2: Convert to fraction form
    113,181.46/155,992.71 = 82,902.45/x
  3. Step 3: Cross multiply
    113,181.46x = 155,992.71 × 82,902.45
  4. Step 4: Simplify right side
    113,181.46x = 12,932,177,841.14
  5. Step 5: Solve for x
    x = 12,932,177,841.14/113,181.46
  6. Step 6: Final answer
    x = 114,260.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.