Home / 103,576.57-155,252.94-50,155.69

Finding the Fourth Proportional to 103,576.57, 155,252.94 and 50,155.69

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Solution

The fourth proportional to 103,576.57, 155,252.94 and 50,155.69 is: 75,179.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,576.57 : 155,252.94 = 50,155.69 : x
  2. Step 2: Convert to fraction form
    103,576.57/155,252.94 = 50,155.69/x
  3. Step 3: Cross multiply
    103,576.57x = 155,252.94 × 50,155.69
  4. Step 4: Simplify right side
    103,576.57x = 7,786,818,330.23
  5. Step 5: Solve for x
    x = 7,786,818,330.23/103,576.57
  6. Step 6: Final answer
    x = 75,179.34

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1.5x scale

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.