Home / 175,275.20-263,085.60-86,628.80

Finding the Fourth Proportional to 175,275.20, 263,085.60 and 86,628.80

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Solution

The fourth proportional to 175,275.20, 263,085.60 and 86,628.80 is: 130,028.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,275.20 : 263,085.60 = 86,628.80 : x
  2. Step 2: Convert to fraction form
    175,275.20/263,085.60 = 86,628.80/x
  3. Step 3: Cross multiply
    175,275.20x = 263,085.60 × 86,628.80
  4. Step 4: Simplify right side
    175,275.20x = 22,790,789,825.28
  5. Step 5: Solve for x
    x = 22,790,789,825.28/175,275.20
  6. Step 6: Final answer
    x = 130,028.61

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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.