Home / 434,542.10-651,845.55-154,022.90

Finding the Fourth Proportional to 434,542.10, 651,845.55 and 154,022.90

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Solution

The fourth proportional to 434,542.10, 651,845.55 and 154,022.90 is: 231,045.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,542.10 : 651,845.55 = 154,022.90 : x
  2. Step 2: Convert to fraction form
    434,542.10/651,845.55 = 154,022.90/x
  3. Step 3: Cross multiply
    434,542.10x = 651,845.55 × 154,022.90
  4. Step 4: Simplify right side
    434,542.10x = 100,399,141,963.10
  5. Step 5: Solve for x
    x = 100,399,141,963.10/434,542.10
  6. Step 6: Final answer
    x = 231,045.83

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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.