Home / 296,938.40-445,505.34-197,489.84

Finding the Fourth Proportional to 296,938.40, 445,505.34 and 197,489.84

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Solution

The fourth proportional to 296,938.40, 445,505.34 and 197,489.84 is: 296,299.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,938.40 : 445,505.34 = 197,489.84 : x
  2. Step 2: Convert to fraction form
    296,938.40/445,505.34 = 197,489.84/x
  3. Step 3: Cross multiply
    296,938.40x = 445,505.34 × 197,489.84
  4. Step 4: Simplify right side
    296,938.40x = 87,982,778,315.75
  5. Step 5: Solve for x
    x = 87,982,778,315.75/296,938.40
  6. Step 6: Final answer
    x = 296,299.77

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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.