Home / 167,520.72-251,318.12-55,196.40

Finding the Fourth Proportional to 167,520.72, 251,318.12 and 55,196.40

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Solution

The fourth proportional to 167,520.72, 251,318.12 and 55,196.40 is: 82,806.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,520.72 : 251,318.12 = 55,196.40 : x
  2. Step 2: Convert to fraction form
    167,520.72/251,318.12 = 55,196.40/x
  3. Step 3: Cross multiply
    167,520.72x = 251,318.12 × 55,196.40
  4. Step 4: Simplify right side
    167,520.72x = 13,871,855,478.77
  5. Step 5: Solve for x
    x = 13,871,855,478.77/167,520.72
  6. Step 6: Final answer
    x = 82,806.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.