Home / 172,814.30-259,196.84-54,470.26

Finding the Fourth Proportional to 172,814.30, 259,196.84 and 54,470.26

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Solution

The fourth proportional to 172,814.30, 259,196.84 and 54,470.26 is: 81,697.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,814.30 : 259,196.84 = 54,470.26 : x
  2. Step 2: Convert to fraction form
    172,814.30/259,196.84 = 54,470.26/x
  3. Step 3: Cross multiply
    172,814.30x = 259,196.84 × 54,470.26
  4. Step 4: Simplify right side
    172,814.30x = 14,118,519,265.98
  5. Step 5: Solve for x
    x = 14,118,519,265.98/172,814.30
  6. Step 6: Final answer
    x = 81,697.63

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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.