Home / 102,757.10-154,135.65-94,883.90

Finding the Fourth Proportional to 102,757.10, 154,135.65 and 94,883.90

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Solution

The fourth proportional to 102,757.10, 154,135.65 and 94,883.90 is: 142,325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,757.10 : 154,135.65 = 94,883.90 : x
  2. Step 2: Convert to fraction form
    102,757.10/154,135.65 = 94,883.90/x
  3. Step 3: Cross multiply
    102,757.10x = 154,135.65 × 94,883.90
  4. Step 4: Simplify right side
    102,757.10x = 14,624,991,601.04
  5. Step 5: Solve for x
    x = 14,624,991,601.04/102,757.10
  6. Step 6: Final answer
    x = 142,325.85

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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.