Home / 170,631.50-255,837.87-70,860.56

Finding the Fourth Proportional to 170,631.50, 255,837.87 and 70,860.56

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Solution

The fourth proportional to 170,631.50, 255,837.87 and 70,860.56 is: 106,245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,631.50 : 255,837.87 = 70,860.56 : x
  2. Step 2: Convert to fraction form
    170,631.50/255,837.87 = 70,860.56/x
  3. Step 3: Cross multiply
    170,631.50x = 255,837.87 × 70,860.56
  4. Step 4: Simplify right side
    170,631.50x = 18,128,813,458.22
  5. Step 5: Solve for x
    x = 18,128,813,458.22/170,631.50
  6. Step 6: Final answer
    x = 106,245.41

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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.