Home / 231,777.30-347,665.93-126,538.86

Finding the Fourth Proportional to 231,777.30, 347,665.93 and 126,538.86

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Solution

The fourth proportional to 231,777.30, 347,665.93 and 126,538.86 is: 189,808.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,777.30 : 347,665.93 = 126,538.86 : x
  2. Step 2: Convert to fraction form
    231,777.30/347,665.93 = 126,538.86/x
  3. Step 3: Cross multiply
    231,777.30x = 347,665.93 × 126,538.86
  4. Step 4: Simplify right side
    231,777.30x = 43,993,250,443.04
  5. Step 5: Solve for x
    x = 43,993,250,443.04/231,777.30
  6. Step 6: Final answer
    x = 189,808.28

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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.