Home / 154,300.94-231,077.66-106,782.87

Finding the Fourth Proportional to 154,300.94, 231,077.66 and 106,782.87

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Solution

The fourth proportional to 154,300.94, 231,077.66 and 106,782.87 is: 159,915.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,300.94 : 231,077.66 = 106,782.87 : x
  2. Step 2: Convert to fraction form
    154,300.94/231,077.66 = 106,782.87/x
  3. Step 3: Cross multiply
    154,300.94x = 231,077.66 × 106,782.87
  4. Step 4: Simplify right side
    154,300.94x = 24,675,135,193.77
  5. Step 5: Solve for x
    x = 24,675,135,193.77/154,300.94
  6. Step 6: Final answer
    x = 159,915.66

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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.