Home / 399,947.26-552,066.21-230,249.02

Finding the Fourth Proportional to 399,947.26, 552,066.21 and 230,249.02

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Solution

The fourth proportional to 399,947.26, 552,066.21 and 230,249.02 is: 317,823.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,947.26 : 552,066.21 = 230,249.02 : x
  2. Step 2: Convert to fraction form
    399,947.26/552,066.21 = 230,249.02/x
  3. Step 3: Cross multiply
    399,947.26x = 552,066.21 × 230,249.02
  4. Step 4: Simplify right side
    399,947.26x = 127,112,703,827.61
  5. Step 5: Solve for x
    x = 127,112,703,827.61/399,947.26
  6. Step 6: Final answer
    x = 317,823.66

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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.