Home / 206,321.03-309,570.64-111,617.93

Finding the Fourth Proportional to 206,321.03, 309,570.64 and 111,617.93

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Solution

The fourth proportional to 206,321.03, 309,570.64 and 111,617.93 is: 167,475.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,321.03 : 309,570.64 = 111,617.93 : x
  2. Step 2: Convert to fraction form
    206,321.03/309,570.64 = 111,617.93/x
  3. Step 3: Cross multiply
    206,321.03x = 309,570.64 × 111,617.93
  4. Step 4: Simplify right side
    206,321.03x = 34,553,634,025.58
  5. Step 5: Solve for x
    x = 34,553,634,025.58/206,321.03
  6. Step 6: Final answer
    x = 167,475.09

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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.