Home / 275,742.16-413,031.98-126,108.42

Finding the Fourth Proportional to 275,742.16, 413,031.98 and 126,108.42

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Solution

The fourth proportional to 275,742.16, 413,031.98 and 126,108.42 is: 188,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,742.16 : 413,031.98 = 126,108.42 : x
  2. Step 2: Convert to fraction form
    275,742.16/413,031.98 = 126,108.42/x
  3. Step 3: Cross multiply
    275,742.16x = 413,031.98 × 126,108.42
  4. Step 4: Simplify right side
    275,742.16x = 52,086,810,407.27
  5. Step 5: Solve for x
    x = 52,086,810,407.27/275,742.16
  6. Step 6: Final answer
    x = 188,896.80

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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.