Home / 140,832.30-194,344.49-82,688.06

Finding the Fourth Proportional to 140,832.30, 194,344.49 and 82,688.06

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Solution

The fourth proportional to 140,832.30, 194,344.49 and 82,688.06 is: 114,107.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,832.30 : 194,344.49 = 82,688.06 : x
  2. Step 2: Convert to fraction form
    140,832.30/194,344.49 = 82,688.06/x
  3. Step 3: Cross multiply
    140,832.30x = 194,344.49 × 82,688.06
  4. Step 4: Simplify right side
    140,832.30x = 16,069,967,464.63
  5. Step 5: Solve for x
    x = 16,069,967,464.63/140,832.30
  6. Step 6: Final answer
    x = 114,107.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.