Home / 197,487.45-296,224.52-79,127.01

Finding the Fourth Proportional to 197,487.45, 296,224.52 and 79,127.01

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Solution

The fourth proportional to 197,487.45, 296,224.52 and 79,127.01 is: 118,687.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,487.45 : 296,224.52 = 79,127.01 : x
  2. Step 2: Convert to fraction form
    197,487.45/296,224.52 = 79,127.01/x
  3. Step 3: Cross multiply
    197,487.45x = 296,224.52 × 79,127.01
  4. Step 4: Simplify right side
    197,487.45x = 23,439,360,160.65
  5. Step 5: Solve for x
    x = 23,439,360,160.65/197,487.45
  6. Step 6: Final answer
    x = 118,687.85

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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.