Home / 170,074.05-255,147.98-51,742.31

Finding the Fourth Proportional to 170,074.05, 255,147.98 and 51,742.31

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Solution

The fourth proportional to 170,074.05, 255,147.98 and 51,742.31 is: 77,624.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,074.05 : 255,147.98 = 51,742.31 : x
  2. Step 2: Convert to fraction form
    170,074.05/255,147.98 = 51,742.31/x
  3. Step 3: Cross multiply
    170,074.05x = 255,147.98 × 51,742.31
  4. Step 4: Simplify right side
    170,074.05x = 13,201,946,256.19
  5. Step 5: Solve for x
    x = 13,201,946,256.19/170,074.05
  6. Step 6: Final answer
    x = 77,624.69

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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.