Home / 166,976.10-230,435.85-91,527.78

Finding the Fourth Proportional to 166,976.10, 230,435.85 and 91,527.78

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Solution

The fourth proportional to 166,976.10, 230,435.85 and 91,527.78 is: 126,313.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,976.10 : 230,435.85 = 91,527.78 : x
  2. Step 2: Convert to fraction form
    166,976.10/230,435.85 = 91,527.78/x
  3. Step 3: Cross multiply
    166,976.10x = 230,435.85 × 91,527.78
  4. Step 4: Simplify right side
    166,976.10x = 21,091,281,782.91
  5. Step 5: Solve for x
    x = 21,091,281,782.91/166,976.10
  6. Step 6: Final answer
    x = 126,313.18

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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.