Home / 175,505.19-263,160.54-81,959.91

Finding the Fourth Proportional to 175,505.19, 263,160.54 and 81,959.91

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Solution

The fourth proportional to 175,505.19, 263,160.54 and 81,959.91 is: 122,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,505.19 : 263,160.54 = 81,959.91 : x
  2. Step 2: Convert to fraction form
    175,505.19/263,160.54 = 81,959.91/x
  3. Step 3: Cross multiply
    175,505.19x = 263,160.54 × 81,959.91
  4. Step 4: Simplify right side
    175,505.19x = 21,568,614,173.95
  5. Step 5: Solve for x
    x = 21,568,614,173.95/175,505.19
  6. Step 6: Final answer
    x = 122,894.45

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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.