Home / 166,631.66-229,951.84-91,180.16

Finding the Fourth Proportional to 166,631.66, 229,951.84 and 91,180.16

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Solution

The fourth proportional to 166,631.66, 229,951.84 and 91,180.16 is: 125,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,631.66 : 229,951.84 = 91,180.16 : x
  2. Step 2: Convert to fraction form
    166,631.66/229,951.84 = 91,180.16/x
  3. Step 3: Cross multiply
    166,631.66x = 229,951.84 × 91,180.16
  4. Step 4: Simplify right side
    166,631.66x = 20,967,045,563.49
  5. Step 5: Solve for x
    x = 20,967,045,563.49/166,631.66
  6. Step 6: Final answer
    x = 125,828.70

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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.