Home / 166,436.30-229,617.55-105,996.13

Finding the Fourth Proportional to 166,436.30, 229,617.55 and 105,996.13

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Solution

The fourth proportional to 166,436.30, 229,617.55 and 105,996.13 is: 146,233.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,436.30 : 229,617.55 = 105,996.13 : x
  2. Step 2: Convert to fraction form
    166,436.30/229,617.55 = 105,996.13/x
  3. Step 3: Cross multiply
    166,436.30x = 229,617.55 × 105,996.13
  4. Step 4: Simplify right side
    166,436.30x = 24,338,571,680.08
  5. Step 5: Solve for x
    x = 24,338,571,680.08/166,436.30
  6. Step 6: Final answer
    x = 146,233.55

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1.5x scale

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.