Home / 171,717.12-257,531.94-53,327.52

Finding the Fourth Proportional to 171,717.12, 257,531.94 and 53,327.52

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Solution

The fourth proportional to 171,717.12, 257,531.94 and 53,327.52 is: 79,977.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,717.12 : 257,531.94 = 53,327.52 : x
  2. Step 2: Convert to fraction form
    171,717.12/257,531.94 = 53,327.52/x
  3. Step 3: Cross multiply
    171,717.12x = 257,531.94 × 53,327.52
  4. Step 4: Simplify right side
    171,717.12x = 13,733,539,680.99
  5. Step 5: Solve for x
    x = 13,733,539,680.99/171,717.12
  6. Step 6: Final answer
    x = 79,977.70

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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.