Home / 268,522.49-370,563.76-147,664.62

Finding the Fourth Proportional to 268,522.49, 370,563.76 and 147,664.62

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Solution

The fourth proportional to 268,522.49, 370,563.76 and 147,664.62 is: 203,778.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,522.49 : 370,563.76 = 147,664.62 : x
  2. Step 2: Convert to fraction form
    268,522.49/370,563.76 = 147,664.62/x
  3. Step 3: Cross multiply
    268,522.49x = 370,563.76 × 147,664.62
  4. Step 4: Simplify right side
    268,522.49x = 54,719,156,990.75
  5. Step 5: Solve for x
    x = 54,719,156,990.75/268,522.49
  6. Step 6: Final answer
    x = 203,778.67

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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.