Home / 175,431.74-263,231.86-137,757.02

Finding the Fourth Proportional to 175,431.74, 263,231.86 and 137,757.02

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Solution

The fourth proportional to 175,431.74, 263,231.86 and 137,757.02 is: 206,701.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,431.74 : 263,231.86 = 137,757.02 : x
  2. Step 2: Convert to fraction form
    175,431.74/263,231.86 = 137,757.02/x
  3. Step 3: Cross multiply
    175,431.74x = 263,231.86 × 137,757.02
  4. Step 4: Simplify right side
    175,431.74x = 36,262,036,602.66
  5. Step 5: Solve for x
    x = 36,262,036,602.66/175,431.74
  6. Step 6: Final answer
    x = 206,701.69

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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.