Home / 113,942.21-170,950.23-54,782.51

Finding the Fourth Proportional to 113,942.21, 170,950.23 and 54,782.51

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Solution

The fourth proportional to 113,942.21, 170,950.23 and 54,782.51 is: 82,191.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,942.21 : 170,950.23 = 54,782.51 : x
  2. Step 2: Convert to fraction form
    113,942.21/170,950.23 = 54,782.51/x
  3. Step 3: Cross multiply
    113,942.21x = 170,950.23 × 54,782.51
  4. Step 4: Simplify right side
    113,942.21x = 9,365,081,829.73
  5. Step 5: Solve for x
    x = 9,365,081,829.73/113,942.21
  6. Step 6: Final answer
    x = 82,191.51

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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.