Home / 175,648.05-263,485.41-68,980.55

Finding the Fourth Proportional to 175,648.05, 263,485.41 and 68,980.55

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Solution

The fourth proportional to 175,648.05, 263,485.41 and 68,980.55 is: 103,476.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,648.05 : 263,485.41 = 68,980.55 : x
  2. Step 2: Convert to fraction form
    175,648.05/263,485.41 = 68,980.55/x
  3. Step 3: Cross multiply
    175,648.05x = 263,485.41 × 68,980.55
  4. Step 4: Simplify right side
    175,648.05x = 18,175,368,498.78
  5. Step 5: Solve for x
    x = 18,175,368,498.78/175,648.05
  6. Step 6: Final answer
    x = 103,476.06

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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.