Home / 422,290.10-633,434.97-169,570.50

Finding the Fourth Proportional to 422,290.10, 633,434.97 and 169,570.50

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Solution

The fourth proportional to 422,290.10, 633,434.97 and 169,570.50 is: 254,355.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,290.10 : 633,434.97 = 169,570.50 : x
  2. Step 2: Convert to fraction form
    422,290.10/633,434.97 = 169,570.50/x
  3. Step 3: Cross multiply
    422,290.10x = 633,434.97 × 169,570.50
  4. Step 4: Simplify right side
    422,290.10x = 107,411,883,732.53
  5. Step 5: Solve for x
    x = 107,411,883,732.53/422,290.10
  6. Step 6: Final answer
    x = 254,355.68

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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.