Home / 166,885.38-248,839.47-148,339.62

Finding the Fourth Proportional to 166,885.38, 248,839.47 and 148,339.62

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Solution

The fourth proportional to 166,885.38, 248,839.47 and 148,339.62 is: 221,186.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,885.38 : 248,839.47 = 148,339.62 : x
  2. Step 2: Convert to fraction form
    166,885.38/248,839.47 = 148,339.62/x
  3. Step 3: Cross multiply
    166,885.38x = 248,839.47 × 148,339.62
  4. Step 4: Simplify right side
    166,885.38x = 36,912,752,420.80
  5. Step 5: Solve for x
    x = 36,912,752,420.80/166,885.38
  6. Step 6: Final answer
    x = 221,186.26

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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.