Home / 175,360.74-263,080.05-81,815.46

Finding the Fourth Proportional to 175,360.74, 263,080.05 and 81,815.46

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Solution

The fourth proportional to 175,360.74, 263,080.05 and 81,815.46 is: 122,741.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,360.74 : 263,080.05 = 81,815.46 : x
  2. Step 2: Convert to fraction form
    175,360.74/263,080.05 = 81,815.46/x
  3. Step 3: Cross multiply
    175,360.74x = 263,080.05 × 81,815.46
  4. Step 4: Simplify right side
    175,360.74x = 21,524,015,307.57
  5. Step 5: Solve for x
    x = 21,524,015,307.57/175,360.74
  6. Step 6: Final answer
    x = 122,741.36

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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.