Home / 219,184.57-328,658.39-76,993.12

Finding the Fourth Proportional to 219,184.57, 328,658.39 and 76,993.12

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Solution

The fourth proportional to 219,184.57, 328,658.39 and 76,993.12 is: 115,448.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,184.57 : 328,658.39 = 76,993.12 : x
  2. Step 2: Convert to fraction form
    219,184.57/328,658.39 = 76,993.12/x
  3. Step 3: Cross multiply
    219,184.57x = 328,658.39 × 76,993.12
  4. Step 4: Simplify right side
    219,184.57x = 25,304,434,860.28
  5. Step 5: Solve for x
    x = 25,304,434,860.28/219,184.57
  6. Step 6: Final answer
    x = 115,448.07

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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.