Home / 206,612.36-309,918.03-116,614.27

Finding the Fourth Proportional to 206,612.36, 309,918.03 and 116,614.27

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Solution

The fourth proportional to 206,612.36, 309,918.03 and 116,614.27 is: 174,921.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,612.36 : 309,918.03 = 116,614.27 : x
  2. Step 2: Convert to fraction form
    206,612.36/309,918.03 = 116,614.27/x
  3. Step 3: Cross multiply
    206,612.36x = 309,918.03 × 116,614.27
  4. Step 4: Simplify right side
    206,612.36x = 36,140,864,828.29
  5. Step 5: Solve for x
    x = 36,140,864,828.29/206,612.36
  6. Step 6: Final answer
    x = 174,921.12

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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.