Home / 355,200.90-532,777.05-115,311.30

Finding the Fourth Proportional to 355,200.90, 532,777.05 and 115,311.30

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Solution

The fourth proportional to 355,200.90, 532,777.05 and 115,311.30 is: 172,959.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,200.90 : 532,777.05 = 115,311.30 : x
  2. Step 2: Convert to fraction form
    355,200.90/532,777.05 = 115,311.30/x
  3. Step 3: Cross multiply
    355,200.90x = 532,777.05 × 115,311.30
  4. Step 4: Simplify right side
    355,200.90x = 61,435,214,245.67
  5. Step 5: Solve for x
    x = 61,435,214,245.67/355,200.90
  6. Step 6: Final answer
    x = 172,959.06

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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.