Home / 285,282.90-393,451.20-183,324.96

Finding the Fourth Proportional to 285,282.90, 393,451.20 and 183,324.96

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Solution

The fourth proportional to 285,282.90, 393,451.20 and 183,324.96 is: 252,834.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,282.90 : 393,451.20 = 183,324.96 : x
  2. Step 2: Convert to fraction form
    285,282.90/393,451.20 = 183,324.96/x
  3. Step 3: Cross multiply
    285,282.90x = 393,451.20 × 183,324.96
  4. Step 4: Simplify right side
    285,282.90x = 72,129,425,501.95
  5. Step 5: Solve for x
    x = 72,129,425,501.95/285,282.90
  6. Step 6: Final answer
    x = 252,834.73

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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.