Home / 331,011.10-496,516.65-198,300.70

Finding the Fourth Proportional to 331,011.10, 496,516.65 and 198,300.70

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Solution

The fourth proportional to 331,011.10, 496,516.65 and 198,300.70 is: 297,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,011.10 : 496,516.65 = 198,300.70 : x
  2. Step 2: Convert to fraction form
    331,011.10/496,516.65 = 198,300.70/x
  3. Step 3: Cross multiply
    331,011.10x = 496,516.65 × 198,300.70
  4. Step 4: Simplify right side
    331,011.10x = 98,459,599,256.66
  5. Step 5: Solve for x
    x = 98,459,599,256.66/331,011.10
  6. Step 6: Final answer
    x = 297,451.05

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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.