Home / 400,167.15-552,226.64-218,882.61

Finding the Fourth Proportional to 400,167.15, 552,226.64 and 218,882.61

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Solution

The fourth proportional to 400,167.15, 552,226.64 and 218,882.61 is: 302,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,167.15 : 552,226.64 = 218,882.61 : x
  2. Step 2: Convert to fraction form
    400,167.15/552,226.64 = 218,882.61/x
  3. Step 3: Cross multiply
    400,167.15x = 552,226.64 × 218,882.61
  4. Step 4: Simplify right side
    400,167.15x = 120,872,807,180.32
  5. Step 5: Solve for x
    x = 120,872,807,180.32/400,167.15
  6. Step 6: Final answer
    x = 302,055.80

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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.