Home / 345,217.07-476,399.70-192,284.60

Finding the Fourth Proportional to 345,217.07, 476,399.70 and 192,284.60

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Solution

The fourth proportional to 345,217.07, 476,399.70 and 192,284.60 is: 265,352.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,217.07 : 476,399.70 = 192,284.60 : x
  2. Step 2: Convert to fraction form
    345,217.07/476,399.70 = 192,284.60/x
  3. Step 3: Cross multiply
    345,217.07x = 476,399.70 × 192,284.60
  4. Step 4: Simplify right side
    345,217.07x = 91,604,323,372.62
  5. Step 5: Solve for x
    x = 91,604,323,372.62/345,217.07
  6. Step 6: Final answer
    x = 265,352.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.