Home / 362,003.11-499,636.96-209,066.20

Finding the Fourth Proportional to 362,003.11, 499,636.96 and 209,066.20

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Solution

The fourth proportional to 362,003.11, 499,636.96 and 209,066.20 is: 288,553.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,003.11 : 499,636.96 = 209,066.20 : x
  2. Step 2: Convert to fraction form
    362,003.11/499,636.96 = 209,066.20/x
  3. Step 3: Cross multiply
    362,003.11x = 499,636.96 × 209,066.20
  4. Step 4: Simplify right side
    362,003.11x = 104,457,198,834.99
  5. Step 5: Solve for x
    x = 104,457,198,834.99/362,003.11
  6. Step 6: Final answer
    x = 288,553.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.