Home / 641,380.74-961,800.42-192,165.48

Finding the Fourth Proportional to 641,380.74, 961,800.42 and 192,165.48

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Solution

The fourth proportional to 641,380.74, 961,800.42 and 192,165.48 is: 288,167.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,380.74 : 961,800.42 = 192,165.48 : x
  2. Step 2: Convert to fraction form
    641,380.74/961,800.42 = 192,165.48/x
  3. Step 3: Cross multiply
    641,380.74x = 961,800.42 × 192,165.48
  4. Step 4: Simplify right side
    641,380.74x = 184,824,839,373.50
  5. Step 5: Solve for x
    x = 184,824,839,373.50/641,380.74
  6. Step 6: Final answer
    x = 288,167.12

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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.