Home / 275,705.11-413,613.02-125,905.18

Finding the Fourth Proportional to 275,705.11, 413,613.02 and 125,905.18

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Solution

The fourth proportional to 275,705.11, 413,613.02 and 125,905.18 is: 188,883.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,705.11 : 413,613.02 = 125,905.18 : x
  2. Step 2: Convert to fraction form
    275,705.11/413,613.02 = 125,905.18/x
  3. Step 3: Cross multiply
    275,705.11x = 413,613.02 × 125,905.18
  4. Step 4: Simplify right side
    275,705.11x = 52,076,021,733.44
  5. Step 5: Solve for x
    x = 52,076,021,733.44/275,705.11
  6. Step 6: Final answer
    x = 188,883.05

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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.