Home / 455,432.22-683,150.66-189,193.03

Finding the Fourth Proportional to 455,432.22, 683,150.66 and 189,193.03

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Solution

The fourth proportional to 455,432.22, 683,150.66 and 189,193.03 is: 283,790.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,432.22 : 683,150.66 = 189,193.03 : x
  2. Step 2: Convert to fraction form
    455,432.22/683,150.66 = 189,193.03/x
  3. Step 3: Cross multiply
    455,432.22x = 683,150.66 × 189,193.03
  4. Step 4: Simplify right side
    455,432.22x = 129,247,343,311.90
  5. Step 5: Solve for x
    x = 129,247,343,311.90/455,432.22
  6. Step 6: Final answer
    x = 283,790.51

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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.