Home / 292,727.61-403,958.83-165,400.47

Finding the Fourth Proportional to 292,727.61, 403,958.83 and 165,400.47

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Solution

The fourth proportional to 292,727.61, 403,958.83 and 165,400.47 is: 228,249.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,727.61 : 403,958.83 = 165,400.47 : x
  2. Step 2: Convert to fraction form
    292,727.61/403,958.83 = 165,400.47/x
  3. Step 3: Cross multiply
    292,727.61x = 403,958.83 × 165,400.47
  4. Step 4: Simplify right side
    292,727.61x = 66,814,977,495.85
  5. Step 5: Solve for x
    x = 66,814,977,495.85/292,727.61
  6. Step 6: Final answer
    x = 228,249.66

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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.