Home / 104,956.10-157,434.15-67,631.30

Finding the Fourth Proportional to 104,956.10, 157,434.15 and 67,631.30

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Solution

The fourth proportional to 104,956.10, 157,434.15 and 67,631.30 is: 101,446.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,956.10 : 157,434.15 = 67,631.30 : x
  2. Step 2: Convert to fraction form
    104,956.10/157,434.15 = 67,631.30/x
  3. Step 3: Cross multiply
    104,956.10x = 157,434.15 × 67,631.30
  4. Step 4: Simplify right side
    104,956.10x = 10,647,476,228.90
  5. Step 5: Solve for x
    x = 10,647,476,228.90/104,956.10
  6. Step 6: Final answer
    x = 101,446.95

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1.5x scale

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.