Home / 206,431.96-284,898.86-115,796.76

Finding the Fourth Proportional to 206,431.96, 284,898.86 and 115,796.76

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Solution

The fourth proportional to 206,431.96, 284,898.86 and 115,796.76 is: 159,812.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,431.96 : 284,898.86 = 115,796.76 : x
  2. Step 2: Convert to fraction form
    206,431.96/284,898.86 = 115,796.76/x
  3. Step 3: Cross multiply
    206,431.96x = 284,898.86 × 115,796.76
  4. Step 4: Simplify right side
    206,431.96x = 32,990,364,915.69
  5. Step 5: Solve for x
    x = 32,990,364,915.69/206,431.96
  6. Step 6: Final answer
    x = 159,812.29

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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.