Home / 434,542.85-651,846.68-154,023.65

Finding the Fourth Proportional to 434,542.85, 651,846.68 and 154,023.65

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Solution

The fourth proportional to 434,542.85, 651,846.68 and 154,023.65 is: 231,046.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,542.85 : 651,846.68 = 154,023.65 : x
  2. Step 2: Convert to fraction form
    434,542.85/651,846.68 = 154,023.65/x
  3. Step 3: Cross multiply
    434,542.85x = 651,846.68 × 154,023.65
  4. Step 4: Simplify right side
    434,542.85x = 100,399,804,123.86
  5. Step 5: Solve for x
    x = 100,399,804,123.86/434,542.85
  6. Step 6: Final answer
    x = 231,046.96

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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.