Home / 239,738.70-358,974.45-192,132.30

Finding the Fourth Proportional to 239,738.70, 358,974.45 and 192,132.30

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Solution

The fourth proportional to 239,738.70, 358,974.45 and 192,132.30 is: 287,690.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,738.70 : 358,974.45 = 192,132.30 : x
  2. Step 2: Convert to fraction form
    239,738.70/358,974.45 = 192,132.30/x
  3. Step 3: Cross multiply
    239,738.70x = 358,974.45 × 192,132.30
  4. Step 4: Simplify right side
    239,738.70x = 68,970,586,719.74
  5. Step 5: Solve for x
    x = 68,970,586,719.74/239,738.70
  6. Step 6: Final answer
    x = 287,690.67

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1.5x scale

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.