Home / 295,515.12-443,228.59-82,260.75

Finding the Fourth Proportional to 295,515.12, 443,228.59 and 82,260.75

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Solution

The fourth proportional to 295,515.12, 443,228.59 and 82,260.75 is: 123,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,515.12 : 443,228.59 = 82,260.75 : x
  2. Step 2: Convert to fraction form
    295,515.12/443,228.59 = 82,260.75/x
  3. Step 3: Cross multiply
    295,515.12x = 443,228.59 × 82,260.75
  4. Step 4: Simplify right side
    295,515.12x = 36,460,316,234.84
  5. Step 5: Solve for x
    x = 36,460,316,234.84/295,515.12
  6. Step 6: Final answer
    x = 123,378.85

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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.