Home / 170,471.19-255,665.71-52,143.55

Finding the Fourth Proportional to 170,471.19, 255,665.71 and 52,143.55

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Solution

The fourth proportional to 170,471.19, 255,665.71 and 52,143.55 is: 78,202.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,471.19 : 255,665.71 = 52,143.55 : x
  2. Step 2: Convert to fraction form
    170,471.19/255,665.71 = 52,143.55/x
  3. Step 3: Cross multiply
    170,471.19x = 255,665.71 × 52,143.55
  4. Step 4: Simplify right side
    170,471.19x = 13,331,317,732.67
  5. Step 5: Solve for x
    x = 13,331,317,732.67/170,471.19
  6. Step 6: Final answer
    x = 78,202.76

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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.