Home / 170,316.42-255,315.78-57,919.83

Finding the Fourth Proportional to 170,316.42, 255,315.78 and 57,919.83

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Solution

The fourth proportional to 170,316.42, 255,315.78 and 57,919.83 is: 86,825.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,316.42 : 255,315.78 = 57,919.83 : x
  2. Step 2: Convert to fraction form
    170,316.42/255,315.78 = 57,919.83/x
  3. Step 3: Cross multiply
    170,316.42x = 255,315.78 × 57,919.83
  4. Step 4: Simplify right side
    170,316.42x = 14,787,846,573.92
  5. Step 5: Solve for x
    x = 14,787,846,573.92/170,316.42
  6. Step 6: Final answer
    x = 86,825.72

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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.