Home / 191,450.88-287,273.19-79,211.64

Finding the Fourth Proportional to 191,450.88, 287,273.19 and 79,211.64

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Solution

The fourth proportional to 191,450.88, 287,273.19 and 79,211.64 is: 118,857.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,450.88 : 287,273.19 = 79,211.64 : x
  2. Step 2: Convert to fraction form
    191,450.88/287,273.19 = 79,211.64/x
  3. Step 3: Cross multiply
    191,450.88x = 287,273.19 × 79,211.64
  4. Step 4: Simplify right side
    191,450.88x = 22,755,380,507.93
  5. Step 5: Solve for x
    x = 22,755,380,507.93/191,450.88
  6. Step 6: Final answer
    x = 118,857.54

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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.