Home / 113,620.50-170,523.09-97,086.78

Finding the Fourth Proportional to 113,620.50, 170,523.09 and 97,086.78

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Solution

The fourth proportional to 113,620.50, 170,523.09 and 97,086.78 is: 145,709.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,620.50 : 170,523.09 = 97,086.78 : x
  2. Step 2: Convert to fraction form
    113,620.50/170,523.09 = 97,086.78/x
  3. Step 3: Cross multiply
    113,620.50x = 170,523.09 × 97,086.78
  4. Step 4: Simplify right side
    113,620.50x = 16,555,537,723.75
  5. Step 5: Solve for x
    x = 16,555,537,723.75/113,620.50
  6. Step 6: Final answer
    x = 145,709.07

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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.