Home / 113,503.68-170,228.12-50,288.85

Finding the Fourth Proportional to 113,503.68, 170,228.12 and 50,288.85

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Solution

The fourth proportional to 113,503.68, 170,228.12 and 50,288.85 is: 75,421.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,503.68 : 170,228.12 = 50,288.85 : x
  2. Step 2: Convert to fraction form
    113,503.68/170,228.12 = 50,288.85/x
  3. Step 3: Cross multiply
    113,503.68x = 170,228.12 × 50,288.85
  4. Step 4: Simplify right side
    113,503.68x = 8,560,576,141.02
  5. Step 5: Solve for x
    x = 8,560,576,141.02/113,503.68
  6. Step 6: Final answer
    x = 75,421.13

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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.