Home / 174,101.40-261,175.35-68,895.78

Finding the Fourth Proportional to 174,101.40, 261,175.35 and 68,895.78

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Solution

The fourth proportional to 174,101.40, 261,175.35 and 68,895.78 is: 103,352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,101.40 : 261,175.35 = 68,895.78 : x
  2. Step 2: Convert to fraction form
    174,101.40/261,175.35 = 68,895.78/x
  3. Step 3: Cross multiply
    174,101.40x = 261,175.35 × 68,895.78
  4. Step 4: Simplify right side
    174,101.40x = 17,993,879,455.02
  5. Step 5: Solve for x
    x = 17,993,879,455.02/174,101.40
  6. Step 6: Final answer
    x = 103,352.87

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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.