Home / 171,516.47-257,299.61-53,197.34

Finding the Fourth Proportional to 171,516.47, 257,299.61 and 53,197.34

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Solution

The fourth proportional to 171,516.47, 257,299.61 and 53,197.34 is: 79,803.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,516.47 : 257,299.61 = 53,197.34 : x
  2. Step 2: Convert to fraction form
    171,516.47/257,299.61 = 53,197.34/x
  3. Step 3: Cross multiply
    171,516.47x = 257,299.61 × 53,197.34
  4. Step 4: Simplify right side
    171,516.47x = 13,687,653,282.55
  5. Step 5: Solve for x
    x = 13,687,653,282.55/171,516.47
  6. Step 6: Final answer
    x = 79,803.73

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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.