Home / 351,498.72-527,139-126,829.98

Finding the Fourth Proportional to 351,498.72, 527,139 and 126,829.98

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Solution

The fourth proportional to 351,498.72, 527,139 and 126,829.98 is: 190,205.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,498.72 : 527,139 = 126,829.98 : x
  2. Step 2: Convert to fraction form
    351,498.72/527,139 = 126,829.98/x
  3. Step 3: Cross multiply
    351,498.72x = 527,139 × 126,829.98
  4. Step 4: Simplify right side
    351,498.72x = 66,857,028,827.22
  5. Step 5: Solve for x
    x = 66,857,028,827.22/351,498.72
  6. Step 6: Final answer
    x = 190,205.61

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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.