Home / 325,820.12-488,576.82-126,233.96

Finding the Fourth Proportional to 325,820.12, 488,576.82 and 126,233.96

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Solution

The fourth proportional to 325,820.12, 488,576.82 and 126,233.96 is: 189,291.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,820.12 : 488,576.82 = 126,233.96 : x
  2. Step 2: Convert to fraction form
    325,820.12/488,576.82 = 126,233.96/x
  3. Step 3: Cross multiply
    325,820.12x = 488,576.82 × 126,233.96
  4. Step 4: Simplify right side
    325,820.12x = 61,674,986,752.81
  5. Step 5: Solve for x
    x = 61,674,986,752.81/325,820.12
  6. Step 6: Final answer
    x = 189,291.52

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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.