Home / 354,343.14-531,622.02-126,608.94

Finding the Fourth Proportional to 354,343.14, 531,622.02 and 126,608.94

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Solution

The fourth proportional to 354,343.14, 531,622.02 and 126,608.94 is: 189,951.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,343.14 : 531,622.02 = 126,608.94 : x
  2. Step 2: Convert to fraction form
    354,343.14/531,622.02 = 126,608.94/x
  3. Step 3: Cross multiply
    354,343.14x = 531,622.02 × 126,608.94
  4. Step 4: Simplify right side
    354,343.14x = 67,308,100,432.86
  5. Step 5: Solve for x
    x = 67,308,100,432.86/354,343.14
  6. Step 6: Final answer
    x = 189,951.75

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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.