Home / 171,387.89-236,591.67-113,279.63

Finding the Fourth Proportional to 171,387.89, 236,591.67 and 113,279.63

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Solution

The fourth proportional to 171,387.89, 236,591.67 and 113,279.63 is: 156,376.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,387.89 : 236,591.67 = 113,279.63 : x
  2. Step 2: Convert to fraction form
    171,387.89/236,591.67 = 113,279.63/x
  3. Step 3: Cross multiply
    171,387.89x = 236,591.67 × 113,279.63
  4. Step 4: Simplify right side
    171,387.89x = 26,801,015,655.72
  5. Step 5: Solve for x
    x = 26,801,015,655.72/171,387.89
  6. Step 6: Final answer
    x = 156,376.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.