Home / 166,861.38-248,803.68-148,315.62

Finding the Fourth Proportional to 166,861.38, 248,803.68 and 148,315.62

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Solution

The fourth proportional to 166,861.38, 248,803.68 and 148,315.62 is: 221,150.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,861.38 : 248,803.68 = 148,315.62 : x
  2. Step 2: Convert to fraction form
    166,861.38/248,803.68 = 148,315.62/x
  3. Step 3: Cross multiply
    166,861.38x = 248,803.68 × 148,315.62
  4. Step 4: Simplify right side
    166,861.38x = 36,901,472,057.48
  5. Step 5: Solve for x
    x = 36,901,472,057.48/166,861.38
  6. Step 6: Final answer
    x = 221,150.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.