Home / 285,204.12-393,409.50-183,195.24

Finding the Fourth Proportional to 285,204.12, 393,409.50 and 183,195.24

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Solution

The fourth proportional to 285,204.12, 393,409.50 and 183,195.24 is: 252,698.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,204.12 : 393,409.50 = 183,195.24 : x
  2. Step 2: Convert to fraction form
    285,204.12/393,409.50 = 183,195.24/x
  3. Step 3: Cross multiply
    285,204.12x = 393,409.50 × 183,195.24
  4. Step 4: Simplify right side
    285,204.12x = 72,070,747,770.78
  5. Step 5: Solve for x
    x = 72,070,747,770.78/285,204.12
  6. Step 6: Final answer
    x = 252,698.83

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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.