Home / 285,631.92-394,351.20-183,834.18

Finding the Fourth Proportional to 285,631.92, 394,351.20 and 183,834.18

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Solution

The fourth proportional to 285,631.92, 394,351.20 and 183,834.18 is: 253,806.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,631.92 : 394,351.20 = 183,834.18 : x
  2. Step 2: Convert to fraction form
    285,631.92/394,351.20 = 183,834.18/x
  3. Step 3: Cross multiply
    285,631.92x = 394,351.20 × 183,834.18
  4. Step 4: Simplify right side
    285,631.92x = 72,495,229,484.02
  5. Step 5: Solve for x
    x = 72,495,229,484.02/285,631.92
  6. Step 6: Final answer
    x = 253,806.47

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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.