Home / 206,000.60-284,257.32-115,343.96

Finding the Fourth Proportional to 206,000.60, 284,257.32 and 115,343.96

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Solution

The fourth proportional to 206,000.60, 284,257.32 and 115,343.96 is: 159,161.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,000.60 : 284,257.32 = 115,343.96 : x
  2. Step 2: Convert to fraction form
    206,000.60/284,257.32 = 115,343.96/x
  3. Step 3: Cross multiply
    206,000.60x = 284,257.32 × 115,343.96
  4. Step 4: Simplify right side
    206,000.60x = 32,787,364,947.79
  5. Step 5: Solve for x
    x = 32,787,364,947.79/206,000.60
  6. Step 6: Final answer
    x = 159,161.50

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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.