Home / 171,516.72-257,299.98-53,197.59

Finding the Fourth Proportional to 171,516.72, 257,299.98 and 53,197.59

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Solution

The fourth proportional to 171,516.72, 257,299.98 and 53,197.59 is: 79,804.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,516.72 : 257,299.98 = 53,197.59 : x
  2. Step 2: Convert to fraction form
    171,516.72/257,299.98 = 53,197.59/x
  3. Step 3: Cross multiply
    171,516.72x = 257,299.98 × 53,197.59
  4. Step 4: Simplify right side
    171,516.72x = 13,687,737,556.55
  5. Step 5: Solve for x
    x = 13,687,737,556.55/171,516.72
  6. Step 6: Final answer
    x = 79,804.10

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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.