Home / 154,002.70-231,004.05-94,645.90

Finding the Fourth Proportional to 154,002.70, 231,004.05 and 94,645.90

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Solution

The fourth proportional to 154,002.70, 231,004.05 and 94,645.90 is: 141,968.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,002.70 : 231,004.05 = 94,645.90 : x
  2. Step 2: Convert to fraction form
    154,002.70/231,004.05 = 94,645.90/x
  3. Step 3: Cross multiply
    154,002.70x = 231,004.05 × 94,645.90
  4. Step 4: Simplify right side
    154,002.70x = 21,863,586,215.90
  5. Step 5: Solve for x
    x = 21,863,586,215.90/154,002.70
  6. Step 6: Final answer
    x = 141,968.85

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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.