Home / 166,861.04-230,512.92-135,238.64

Finding the Fourth Proportional to 166,861.04, 230,512.92 and 135,238.64

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Solution

The fourth proportional to 166,861.04, 230,512.92 and 135,238.64 is: 186,827.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,861.04 : 230,512.92 = 135,238.64 : x
  2. Step 2: Convert to fraction form
    166,861.04/230,512.92 = 135,238.64/x
  3. Step 3: Cross multiply
    166,861.04x = 230,512.92 × 135,238.64
  4. Step 4: Simplify right side
    166,861.04x = 31,174,253,803.23
  5. Step 5: Solve for x
    x = 31,174,253,803.23/166,861.04
  6. Step 6: Final answer
    x = 186,827.64

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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.