Home / 171,934.85-257,938.63-52,000.75

Finding the Fourth Proportional to 171,934.85, 257,938.63 and 52,000.75

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Solution

The fourth proportional to 171,934.85, 257,938.63 and 52,000.75 is: 78,012.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,934.85 : 257,938.63 = 52,000.75 : x
  2. Step 2: Convert to fraction form
    171,934.85/257,938.63 = 52,000.75/x
  3. Step 3: Cross multiply
    171,934.85x = 257,938.63 × 52,000.75
  4. Step 4: Simplify right side
    171,934.85x = 13,413,002,406.39
  5. Step 5: Solve for x
    x = 13,413,002,406.39/171,934.85
  6. Step 6: Final answer
    x = 78,012.12

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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.