Home / 313,860.72-433,122.68-170,624.38

Finding the Fourth Proportional to 313,860.72, 433,122.68 and 170,624.38

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Solution

The fourth proportional to 313,860.72, 433,122.68 and 170,624.38 is: 235,458.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,860.72 : 433,122.68 = 170,624.38 : x
  2. Step 2: Convert to fraction form
    313,860.72/433,122.68 = 170,624.38/x
  3. Step 3: Cross multiply
    313,860.72x = 433,122.68 × 170,624.38
  4. Step 4: Simplify right side
    313,860.72x = 73,901,288,738.94
  5. Step 5: Solve for x
    x = 73,901,288,738.94/313,860.72
  6. Step 6: Final answer
    x = 235,458.86

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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.