Home / 154,033.67-231,076.77-68,675.50

Finding the Fourth Proportional to 154,033.67, 231,076.77 and 68,675.50

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Solution

The fourth proportional to 154,033.67, 231,076.77 and 68,675.50 is: 103,024.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,033.67 : 231,076.77 = 68,675.50 : x
  2. Step 2: Convert to fraction form
    154,033.67/231,076.77 = 68,675.50/x
  3. Step 3: Cross multiply
    154,033.67x = 231,076.77 × 68,675.50
  4. Step 4: Simplify right side
    154,033.67x = 15,869,312,718.14
  5. Step 5: Solve for x
    x = 15,869,312,718.14/154,033.67
  6. Step 6: Final answer
    x = 103,024.96

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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.