Home / 231,777.78-347,666.70-126,539.34

Finding the Fourth Proportional to 231,777.78, 347,666.70 and 126,539.34

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Solution

The fourth proportional to 231,777.78, 347,666.70 and 126,539.34 is: 189,809.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,777.78 : 347,666.70 = 126,539.34 : x
  2. Step 2: Convert to fraction form
    231,777.78/347,666.70 = 126,539.34/x
  3. Step 3: Cross multiply
    231,777.78x = 347,666.70 × 126,539.34
  4. Step 4: Simplify right side
    231,777.78x = 43,993,514,757.98
  5. Step 5: Solve for x
    x = 43,993,514,757.98/231,777.78
  6. Step 6: Final answer
    x = 189,809.03

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1.5x scale

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.