Home / 334,811.21-501,789.74-156,926.30

Finding the Fourth Proportional to 334,811.21, 501,789.74 and 156,926.30

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Solution

The fourth proportional to 334,811.21, 501,789.74 and 156,926.30 is: 235,189.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,811.21 : 501,789.74 = 156,926.30 : x
  2. Step 2: Convert to fraction form
    334,811.21/501,789.74 = 156,926.30/x
  3. Step 3: Cross multiply
    334,811.21x = 501,789.74 × 156,926.30
  4. Step 4: Simplify right side
    334,811.21x = 78,744,003,982.58
  5. Step 5: Solve for x
    x = 78,744,003,982.58/334,811.21
  6. Step 6: Final answer
    x = 235,189.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.