Home / 394,025.28-591,276.96-157,348.14

Finding the Fourth Proportional to 394,025.28, 591,276.96 and 157,348.14

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Solution

The fourth proportional to 394,025.28, 591,276.96 and 157,348.14 is: 236,117.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,025.28 : 591,276.96 = 157,348.14 : x
  2. Step 2: Convert to fraction form
    394,025.28/591,276.96 = 157,348.14/x
  3. Step 3: Cross multiply
    394,025.28x = 591,276.96 × 157,348.14
  4. Step 4: Simplify right side
    394,025.28x = 93,036,329,880.85
  5. Step 5: Solve for x
    x = 93,036,329,880.85/394,025.28
  6. Step 6: Final answer
    x = 236,117.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.