Home / 345,191.28-476,333.64-192,217.92

Finding the Fourth Proportional to 345,191.28, 476,333.64 and 192,217.92

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Solution

The fourth proportional to 345,191.28, 476,333.64 and 192,217.92 is: 265,243.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,191.28 : 476,333.64 = 192,217.92 : x
  2. Step 2: Convert to fraction form
    345,191.28/476,333.64 = 192,217.92/x
  3. Step 3: Cross multiply
    345,191.28x = 476,333.64 × 192,217.92
  4. Step 4: Simplify right side
    345,191.28x = 91,559,861,506.83
  5. Step 5: Solve for x
    x = 91,559,861,506.83/345,191.28
  6. Step 6: Final answer
    x = 265,243.84

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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.