Home / 170,074.30-255,148.35-51,742.56

Finding the Fourth Proportional to 170,074.30, 255,148.35 and 51,742.56

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Solution

The fourth proportional to 170,074.30, 255,148.35 and 51,742.56 is: 77,625.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,074.30 : 255,148.35 = 51,742.56 : x
  2. Step 2: Convert to fraction form
    170,074.30/255,148.35 = 51,742.56/x
  3. Step 3: Cross multiply
    170,074.30x = 255,148.35 × 51,742.56
  4. Step 4: Simplify right side
    170,074.30x = 13,202,028,808.78
  5. Step 5: Solve for x
    x = 13,202,028,808.78/170,074.30
  6. Step 6: Final answer
    x = 77,625.07

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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.