Home / 149,343.12-206,093.46-82,275.12

Finding the Fourth Proportional to 149,343.12, 206,093.46 and 82,275.12

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Solution

The fourth proportional to 149,343.12, 206,093.46 and 82,275.12 is: 113,539.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,343.12 : 206,093.46 = 82,275.12 : x
  2. Step 2: Convert to fraction form
    149,343.12/206,093.46 = 82,275.12/x
  3. Step 3: Cross multiply
    149,343.12x = 206,093.46 × 82,275.12
  4. Step 4: Simplify right side
    149,343.12x = 16,956,364,152.72
  5. Step 5: Solve for x
    x = 16,956,364,152.72/149,343.12
  6. Step 6: Final answer
    x = 113,539.64

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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.