Home / 171,262.30-256,918.05-52,942.86

Finding the Fourth Proportional to 171,262.30, 256,918.05 and 52,942.86

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Solution

The fourth proportional to 171,262.30, 256,918.05 and 52,942.86 is: 79,421.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,262.30 : 256,918.05 = 52,942.86 : x
  2. Step 2: Convert to fraction form
    171,262.30/256,918.05 = 52,942.86/x
  3. Step 3: Cross multiply
    171,262.30x = 256,918.05 × 52,942.86
  4. Step 4: Simplify right side
    171,262.30x = 13,601,976,087.91
  5. Step 5: Solve for x
    x = 13,601,976,087.91/171,262.30
  6. Step 6: Final answer
    x = 79,421.90

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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.