Home / 312,234.03-430,890.84-191,441.93

Finding the Fourth Proportional to 312,234.03, 430,890.84 and 191,441.93

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Solution

The fourth proportional to 312,234.03, 430,890.84 and 191,441.93 is: 264,194.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,234.03 : 430,890.84 = 191,441.93 : x
  2. Step 2: Convert to fraction form
    312,234.03/430,890.84 = 191,441.93/x
  3. Step 3: Cross multiply
    312,234.03x = 430,890.84 × 191,441.93
  4. Step 4: Simplify right side
    312,234.03x = 82,490,571,874.47
  5. Step 5: Solve for x
    x = 82,490,571,874.47/312,234.03
  6. Step 6: Final answer
    x = 264,194.69

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1.5x scale

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.