Home / 154,083.87-231,140.39-60,567.75

Finding the Fourth Proportional to 154,083.87, 231,140.39 and 60,567.75

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Solution

The fourth proportional to 154,083.87, 231,140.39 and 60,567.75 is: 90,857.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,083.87 : 231,140.39 = 60,567.75 : x
  2. Step 2: Convert to fraction form
    154,083.87/231,140.39 = 60,567.75/x
  3. Step 3: Cross multiply
    154,083.87x = 231,140.39 × 60,567.75
  4. Step 4: Simplify right side
    154,083.87x = 13,999,653,053.58
  5. Step 5: Solve for x
    x = 13,999,653,053.58/154,083.87
  6. Step 6: Final answer
    x = 90,857.36

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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.