Home / 291,077.04-401,684.76-163,753.44

Finding the Fourth Proportional to 291,077.04, 401,684.76 and 163,753.44

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Solution

The fourth proportional to 291,077.04, 401,684.76 and 163,753.44 is: 225,978.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,077.04 : 401,684.76 = 163,753.44 : x
  2. Step 2: Convert to fraction form
    291,077.04/401,684.76 = 163,753.44/x
  3. Step 3: Cross multiply
    291,077.04x = 401,684.76 × 163,753.44
  4. Step 4: Simplify right side
    291,077.04x = 65,777,261,245.57
  5. Step 5: Solve for x
    x = 65,777,261,245.57/291,077.04
  6. Step 6: Final answer
    x = 225,978.87

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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.