Home / 170,074.52-255,148.69-51,742.79

Finding the Fourth Proportional to 170,074.52, 255,148.69 and 51,742.79

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Solution

The fourth proportional to 170,074.52, 255,148.69 and 51,742.79 is: 77,625.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,074.52 : 255,148.69 = 51,742.79 : x
  2. Step 2: Convert to fraction form
    170,074.52/255,148.69 = 51,742.79/x
  3. Step 3: Cross multiply
    170,074.52x = 255,148.69 × 51,742.79
  4. Step 4: Simplify right side
    170,074.52x = 13,202,103,809.70
  5. Step 5: Solve for x
    x = 13,202,103,809.70/170,074.52
  6. Step 6: Final answer
    x = 77,625.41

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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.