Home / 168,087.29-231,953.63-91,604.72

Finding the Fourth Proportional to 168,087.29, 231,953.63 and 91,604.72

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Solution

The fourth proportional to 168,087.29, 231,953.63 and 91,604.72 is: 126,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,087.29 : 231,953.63 = 91,604.72 : x
  2. Step 2: Convert to fraction form
    168,087.29/231,953.63 = 91,604.72/x
  3. Step 3: Cross multiply
    168,087.29x = 231,953.63 × 91,604.72
  4. Step 4: Simplify right side
    168,087.29x = 21,248,047,450.99
  5. Step 5: Solve for x
    x = 21,248,047,450.99/168,087.29
  6. Step 6: Final answer
    x = 126,410.80

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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.