Home / 206,147.43-309,172.68-116,228.93

Finding the Fourth Proportional to 206,147.43, 309,172.68 and 116,228.93

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Solution

The fourth proportional to 206,147.43, 309,172.68 and 116,228.93 is: 174,316.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,147.43 : 309,172.68 = 116,228.93 : x
  2. Step 2: Convert to fraction form
    206,147.43/309,172.68 = 116,228.93/x
  3. Step 3: Cross multiply
    206,147.43x = 309,172.68 × 116,228.93
  4. Step 4: Simplify right side
    206,147.43x = 35,934,808,235.77
  5. Step 5: Solve for x
    x = 35,934,808,235.77/206,147.43
  6. Step 6: Final answer
    x = 174,316.06

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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.