Home / 285,520.14-394,024.50-164,666.52

Finding the Fourth Proportional to 285,520.14, 394,024.50 and 164,666.52

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Solution

The fourth proportional to 285,520.14, 394,024.50 and 164,666.52 is: 227,243.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,520.14 : 394,024.50 = 164,666.52 : x
  2. Step 2: Convert to fraction form
    285,520.14/394,024.50 = 164,666.52/x
  3. Step 3: Cross multiply
    285,520.14x = 394,024.50 × 164,666.52
  4. Step 4: Simplify right side
    285,520.14x = 64,882,643,209.74
  5. Step 5: Solve for x
    x = 64,882,643,209.74/285,520.14
  6. Step 6: Final answer
    x = 227,243.67

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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.