Home / 308,209.10-462,022.05-181,946.30

Finding the Fourth Proportional to 308,209.10, 462,022.05 and 181,946.30

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Solution

The fourth proportional to 308,209.10, 462,022.05 and 181,946.30 is: 272,747.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,209.10 : 462,022.05 = 181,946.30 : x
  2. Step 2: Convert to fraction form
    308,209.10/462,022.05 = 181,946.30/x
  3. Step 3: Cross multiply
    308,209.10x = 462,022.05 × 181,946.30
  4. Step 4: Simplify right side
    308,209.10x = 84,063,202,515.92
  5. Step 5: Solve for x
    x = 84,063,202,515.92/308,209.10
  6. Step 6: Final answer
    x = 272,747.31

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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.