Home / 231,027.20-346,508.40-73,271.60

Finding the Fourth Proportional to 231,027.20, 346,508.40 and 73,271.60

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Solution

The fourth proportional to 231,027.20, 346,508.40 and 73,271.60 is: 109,897.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,027.20 : 346,508.40 = 73,271.60 : x
  2. Step 2: Convert to fraction form
    231,027.20/346,508.40 = 73,271.60/x
  3. Step 3: Cross multiply
    231,027.20x = 346,508.40 × 73,271.60
  4. Step 4: Simplify right side
    231,027.20x = 25,389,224,881.44
  5. Step 5: Solve for x
    x = 25,389,224,881.44/231,027.20
  6. Step 6: Final answer
    x = 109,897.12

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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.