Home / 331,348.13-497,022.20-82,030.13

Finding the Fourth Proportional to 331,348.13, 497,022.20 and 82,030.13

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Solution

The fourth proportional to 331,348.13, 497,022.20 and 82,030.13 is: 123,045.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,348.13 : 497,022.20 = 82,030.13 : x
  2. Step 2: Convert to fraction form
    331,348.13/497,022.20 = 82,030.13/x
  3. Step 3: Cross multiply
    331,348.13x = 497,022.20 × 82,030.13
  4. Step 4: Simplify right side
    331,348.13x = 40,770,792,783.62
  5. Step 5: Solve for x
    x = 40,770,792,783.62/331,348.13
  6. Step 6: Final answer
    x = 123,045.19

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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.