Home / 103,658.20-155,448.24-33,518.68

Finding the Fourth Proportional to 103,658.20, 155,448.24 and 33,518.68

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Solution

The fourth proportional to 103,658.20, 155,448.24 and 33,518.68 is: 50,265.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,658.20 : 155,448.24 = 33,518.68 : x
  2. Step 2: Convert to fraction form
    103,658.20/155,448.24 = 33,518.68/x
  3. Step 3: Cross multiply
    103,658.20x = 155,448.24 × 33,518.68
  4. Step 4: Simplify right side
    103,658.20x = 5,210,419,813.12
  5. Step 5: Solve for x
    x = 5,210,419,813.12/103,658.20
  6. Step 6: Final answer
    x = 50,265.39

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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.