Home / 197,505.45-296,251.52-79,145.01

Finding the Fourth Proportional to 197,505.45, 296,251.52 and 79,145.01

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Solution

The fourth proportional to 197,505.45, 296,251.52 and 79,145.01 is: 118,714.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,505.45 : 296,251.52 = 79,145.01 : x
  2. Step 2: Convert to fraction form
    197,505.45/296,251.52 = 79,145.01/x
  3. Step 3: Cross multiply
    197,505.45x = 296,251.52 × 79,145.01
  4. Step 4: Simplify right side
    197,505.45x = 23,446,829,117.19
  5. Step 5: Solve for x
    x = 23,446,829,117.19/197,505.45
  6. Step 6: Final answer
    x = 118,714.85

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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.